Fix broken RHEL debug build link

README.md

@@ -15,7 +15,7 @@ Build Status
 |**FreeBSD 10.1**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_freebsd.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_freebsd)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_freebsd.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_freebsd)|
 |**openSUSE 13.2**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_opensuse13.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_opensuse13.2)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_opensuse13.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_opensuse13.2)|
 |**OS X 10.11**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_osx.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_osx)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_osx.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_osx)|
-|**Red Hat 7.2**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_rhel7.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/debug_rhel7.2)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_rhel7.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_rhel7.2)|
+|**Red Hat 7.2**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_rhel7.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_rhel7.2)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_rhel7.2.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_rhel7.2)|
 |**Ubuntu 14.04**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_ubuntu.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_ubuntu)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_ubuntu.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_ubuntu)|
 |**Ubuntu 16.04**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_ubuntu16.04.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_ubuntu16.04)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_ubuntu16.04.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_ubuntu16.04)|
 |**Windows 8.1**|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/debug_windows_nt.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/debug_windows_nt)<br/>[![arm64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/arm64_cross_debug_windows_nt.svg?label=arm64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/arm64_cross_debug_windows_nt)|[![x64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/release_windows_nt.svg?label=x64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/release_windows_nt)<br/>[![arm64 status](https://img.shields.io/jenkins/s/http/dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/arm64_cross_release_windows_nt.svg?label=arm64)](http://dotnet-ci.cloudapp.net/job/dotnet_coreclr/job/master/job/arm64_cross_release_windows_nt)|