Merge pull request #537 from marckleinebudde/bcmserver-fix-warning-better

bcmserver: use pragma to silence unknown pragma option

bcmserver.c

@@ -156,6 +156,7 @@ int main(void)
 	char rxmsg[50];
 
 #pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpragmas"
 #pragma GCC diagnostic ignored "-Wgnu-variable-sized-type-not-at-end"
 	struct {
 		struct bcm_msg_head msg_head;