ddraw: Add missing unlock (Smatch).

[Michael Stefaniuc]

---
 dlls/ddraw/ddraw.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index 1f88fa5..fd87071 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -623,6 +623,7 @@ static HRESULT WINAPI ddraw7_SetCooperativeLevel(IDirectDraw7 *iface, HWND hwnd,
             This->devicewindow = NULL;
         }
 
+        LeaveCriticalSection(&ddraw_cs);
         return DD_OK;
     }
     /* DDSCL_NORMAL or DDSCL_FULLSCREEN | DDSCL_EXCLUSIVE */
-- 
1.7.3.1