#6055: Fix unknown pargma warning for gcc <= 4.5

sflphone-common/src/dbus/configurationmanager.h

@@ -34,9 +34,12 @@
 #ifndef CONFIGURATIONMANAGER_H
 #define CONFIGURATIONMANAGER_H
 
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 6
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#endif
+
 #pragma GCC diagnostic ignored "-Wignored-qualifiers"
 #pragma GCC diagnostic ignored "-Wunused-parameter"
-#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
 #include "configurationmanager-glue.h"
 #pragma GCC diagnostic warning "-Wignored-qualifiers"
 #pragma GCC diagnostic warning "-Wunused-parameter"

sflphone-common/src/dbus/instance.h

@@ -31,9 +31,12 @@
 #ifndef INSTANCE_H
 #define INSTANCE_H
 
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 6
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#endif
+
 #pragma GCC diagnostic ignored "-Wignored-qualifiers"
 #pragma GCC diagnostic ignored "-Wunused-parameter"
-#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
 #include "instance-glue.h"
 #pragma GCC diagnostic warning "-Wignored-qualifiers"
 #pragma GCC diagnostic warning "-Wunused-parameter"