direct3d11: give enough room for the \0 in the string

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

diff --git a/modules/video_output/msw/direct3d11.c b/modules/video_output/msw/direct3d11.c
index 18552ee624dae5bc879c7883718a1f8c82306f0b..b673e057c1fc3ba2a9e769dc7ab6d1cfb5a2aa18 100644 (file)
--- a/modules/video_output/msw/direct3d11.c
+++ b/modules/video_output/msw/direct3d11.c
@@ -284,8 +284,8 @@ static HINSTANCE Direct3D11LoadShaderLibrary(void)
     HINSTANCE instance = NULL;
     /* d3dcompiler_47 is the latest on windows 8.1 */
     for (int i = 47; i > 41; --i) {
-        TCHAR filename[18];
-        _sntprintf(filename, 18, TEXT("D3DCOMPILER_%d.dll"), i);
+        TCHAR filename[19];
+        _sntprintf(filename, 19, TEXT("D3DCOMPILER_%d.dll"), i);
         instance = LoadLibrary(filename);
         if (instance) break;
     }