wined3d: Make sure we have an active GL context before calling surface_remove_pbo().
[wine] / dlls / win87em.dll16 /
drwxr-xr-x   ..
-rw-r--r-- 316 Makefile.in
-rw-r--r-- 7480 win87em.c
-rw-r--r-- 205 win87em.dll16.spec