fix GLX server resize/crash when resizing windows
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index 479f762..f2993b1 100644
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -224,6 +224,9 @@
 
    fb->Width = width;
    fb->Height = height;
+
+   /* to update scissor / window bounds */
+   ctx->NewState |= _NEW_BUFFERS;
 }