d3dxof/tests: sign compare fix

[Austin English]

-- 
-Austin
-------------- next part --------------
diff --git a/dlls/d3dxof/tests/d3dxof.c b/dlls/d3dxof/tests/d3dxof.c
index 71dda86..1749113 100644
--- a/dlls/d3dxof/tests/d3dxof.c
+++ b/dlls/d3dxof/tests/d3dxof.c
@@ -151,7 +151,8 @@ static void process_data(LPDIRECTXFILEDATA lpDirectXFileData, int* plevel)
     char str_clsid_type[40];
     DWORD len= 100;
     LPDIRECTXFILEOBJECT pChildObj;
-    int i,k;
+    int i;
+    UINT k;
     int j = 0;
     LPBYTE pData;
     DWORD size;