Update CurrentSense.cpp

Fix Clarke transform for dual shunt

src/common/base_classes/CurrentSense.cpp

@@ -55,12 +55,12 @@ ABCurrent_s CurrentSense::getABCurrents(PhaseCurrent_s current){
         // if only two measured currents
         i_alpha = current.a;  
         i_beta = _1_SQRT3 * current.a + _2_SQRT3 * current.b;
-    }if(!current.a){
+    }else if(!current.a){
         // if only two measured currents
         float a = -current.c - current.b;
         i_alpha = a;  
         i_beta = _1_SQRT3 * a + _2_SQRT3 * current.b;
-    }if(!current.b){
+    }else if(!current.b){
         // if only two measured currents
         float b = -current.a - current.c;
         i_alpha = current.a;  
@@ -99,4 +99,4 @@ DQCurrent_s CurrentSense::getDQCurrents(ABCurrent_s current, float angle_el){
 */
 void CurrentSense::linkDriver(BLDCDriver* _driver) {
   driver = _driver;
-}
+}