Fix OG_COUNTED_BY compacibility issue on Linux

Author: Kyle-Ye

Package.resolved

@@ -43,7 +43,11 @@
 #define OG_CONSTEXPR
 #endif
 
-#define OG_COUNTED_BY(N) __counted_by(N)
+#if __has_attribute(__counted_by__)
+#define OG_COUNTED_BY(N) __attribute__((__counted_by__(N)))
+#else
+#define OG_COUNTED_BY(N)
+#endif
 
 #include "OGSwiftSupport.h"
 #include "OGTargetConditionals.h"