winex11.drv: Only warn about used contexts in wglShareLists.

dlls/opengl32/tests/opengl.c

@@ -564,7 +564,7 @@ static void test_sharelists(HDC winhdc)
         res = wglMakeCurrent(winhdc, hglrc2);
         ok(res, "Make current failed\n");
         res = wglShareLists(hglrc1, hglrc2);
-        todo_wine ok(res, "Sharing display lists with a destination context which has been made current failed\n");
+        ok(res, "Sharing display lists with a destination context which has been made current failed\n");
         wglMakeCurrent(0, 0);
         wglDeleteContext(hglrc2);
     }

dlls/winex11.drv/opengl.c

@@ -1930,18 +1930,16 @@ static BOOL WINAPI glxdrv_wglShareLists(struct wgl_context *org, struct wgl_cont
      * current or when it hasn't shared display lists before.
      */
 
-    if((org->has_been_current && dest->has_been_current) || dest->has_been_current)
-    {
-        ERR("Could not share display lists, one of the contexts has been current already !\n");
-        return FALSE;
-    }
-    else if(dest->sharing)
+    if(dest->sharing)
     {
         ERR("Could not share display lists because hglrc2 has already shared lists before\n");
         return FALSE;
     }
     else
     {
+        if(dest->has_been_current)
+            ERR("Recreating OpenGL context to share display lists, although the context has been current!\n");
+
         /* Re-create the GLX context and share display lists */
         pglXDestroyContext(gdi_display, dest->ctx);
         dest->ctx = create_glxcontext(gdi_display, dest, org->ctx);