[PATCH 2/3] winex11: Make sure OpenGL is initialized when calling visual_from_fbconfig

[Roderick Colenbrander]

This fixes a part of bug 21804 where visual_from_fbconfig is called from some other
thread in which OpenGL wasn't initialized yet.
---
 dlls/winex11.drv/opengl.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/dlls/winex11.drv/opengl.c b/dlls/winex11.drv/opengl.c
index 584abb6..e9896e8 100644
--- a/dlls/winex11.drv/opengl.c
+++ b/dlls/winex11.drv/opengl.c
@@ -3812,6 +3812,8 @@ XVisualInfo *visual_from_fbconfig_id( XID fbconfig_id )
     WineGLPixelFormat *fmt;
     XVisualInfo *ret;
 
+    if (!has_opengl()) return NULL;
+
     fmt = ConvertPixelFormatGLXtoWGL(gdi_display, fbconfig_id, 0 /* no flags */);
     if(fmt == NULL)
         return NULL;
-- 
1.6.3.3