eliminats warnings

source/core/jail/jdraw8.cpp

@@ -4,10 +4,19 @@
 
 #include "core/jail/jfile.hpp"
 #include "core/system/director.hpp"
+#if defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunused-but-set-variable"
+#elif defined(__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+#endif
 #include "external/gif.h"
+#if defined(__clang__)
 #pragma clang diagnostic pop
+#elif defined(__GNUC__)
+#pragma GCC diagnostic pop
+#endif
 
 JD8_Surface screen = NULL;
 JD8_Palette main_palette = NULL;