Mitigate format string exploits

error: format not a string literal and no format arguments
[-Werror=format-security]

Signed-off-by: Jonathan McCrohan <jmccrohan@gmail.com>

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1189 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

drv_PHAnderson.c

@@ -267,7 +267,7 @@ static int drv_PHAnderson_start(const char *section)
     }
 
     s = cfg_get(section, "Bootscreen", NULL);
-    printf(s);
+    printf("%s", s);
     drv_PHAnderson_bootscreen(s);
 
     drv_PHAnderson_clear();	/* clear display */

drv_SamsungSPF.c

@@ -388,7 +388,7 @@ int drv_SamsungSPF_list(void)
 
     printf("SamsungSPF driver, supported models [");
     for (i = 0; i < numFrames; i++) {
-	printf(spfDevices[i].type);
+	printf("%s", spfDevices[i].type);
 	if (i < numFrames - 1)
 	    printf(", ");
     }

plugin_button_exec.c

@@ -67,11 +67,11 @@ static void my_button_exec(RESULT * result, int argc, RESULT * argv[])
 
     signal(SIGCHLD, SIG_IGN);
     prog = R2S(argv[0]);
-    info(prog);
+    info("%s", prog);
     for (i = 1; i < argc; i++) {
 	arg = R2S(argv[i]);
 	args[i] = arg;
-	info(arg);
+	info("%s", arg);
     }
     args[0] = prog;
     args[i] = (char *) 0;
@@ -82,7 +82,7 @@ static void my_button_exec(RESULT * result, int argc, RESULT * argv[])
 	execvp(prog, args);
 	errsv = errno;
 	info("executing program failed");
-	info(strerror(errsv));
+	info("%s", strerror(errsv));
 	exit(0);
     } else if (pid == -1) {
 	info("weird error has occurred. couldn't fork.");