Fix how GCC version is detected when checking for __COUNTER__

Fixes #928
diff --git a/include/internal/catch_compiler_capabilities.h b/include/internal/catch_compiler_capabilities.h
index 9684cf8..b9f3fb1 100644
--- a/include/internal/catch_compiler_capabilities.h
+++ b/include/internal/catch_compiler_capabilities.h
@@ -112,7 +112,7 @@
 
 // Use __COUNTER__ if the compiler supports it
 #if ( defined _MSC_VER && _MSC_VER >= 1300 ) || \
-    ( defined __GNUC__  && __GNUC__ >= 4 && __GNUC_MINOR__ >= 3 ) || \
+    ( defined __GNUC__  && ( __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3 )) ) || \
     ( defined __clang__ && __clang_major__ >= 3 )
 
 #define CATCH_INTERNAL_CONFIG_COUNTER