x86-guest.patch

   1 --- VirtualBox-6.1.6/src/VBox/Additions/x11/VBoxClient/display-svga-x11.cpp.orig        2020-04-09 19:34:49.000000000 +0200
   2 +++ VirtualBox-6.1.6/src/VBox/Additions/x11/VBoxClient/display-svga-x11.cpp     2020-04-17 00:05:01.199999966 +0200
   3 @@ -293,7 +293,7 @@
   4      }
   5  }
   6
   7 -int x11MonitorThreadFunction(RTTHREAD hThreadSelf, void *pvUser)
   8 +DECLCALLBACK(int) x11MonitorThreadFunction(RTTHREAD hThreadSelf, void *pvUser)
   9  {
  10      (void)hThreadSelf;
  11      (void*)pvUser;