File fix-no-return-in-nonvoid-function.patch of Package attractmode

diff -Nur attract-2.2.1/extlibs/gameswf/base/tu_gc.h new/extlibs/gameswf/base/tu_gc.h
--- attract-2.2.1/extlibs/gameswf/base/tu_gc.h	2017-01-06 08:01:34.000000000 +0100
+++ new/extlibs/gameswf/base/tu_gc.h	2017-03-03 01:21:21.963559124 +0100
@@ -144,6 +144,7 @@
 		// TODO: are arrays worth implementing?
 		static void* operator new[](size_t sz) {
 			assert(0);
+			return NULL;
 		}
 	};