Bug 370061 - OpenBSD: sync with reality, they've had GCC3 for a long timepatch by martynas@openbsd.org r=timeless

xpcom/reflect/xptcall/src/md/unix/xptc_platforms_unixish_x86.h

@@ -107,13 +107,17 @@
 #define THUNK_BASED_THIS_ADJUST
 
 #elif defined(__OpenBSD__) 
-/* OpenBSD instroduces GCC 2.95.x in late May 1999 */
+#if __GNUC__ >= 3
+#define THUNK_BASED_THIS_ADJUST
+#else
+/* OpenBSD introduces GCC 2.95.x in late May 1999 */
 #include <sys/param.h>
 #if OpenBSD <= 199905
 #define THUNK_BASED_THIS_ADJUST
 #else
 #define CFRONT_STYLE_THIS_ADJUST
 #endif
+#endif
 
 #elif defined(__bsdi__) 
 #include <sys/param.h>