warning fixed

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8959 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/utils.cpp b/src/msw/utils.cpp
index 3d64ac17052c8951bea4e8d03502424588781eab..856c5c9ab9446ae07c85c292ad11dd9396c8dddf 100644 (file)
--- a/src/msw/utils.cpp
+++ b/src/msw/utils.cpp
@@ -437,7 +437,7 @@ bool wxDirExists(const wxString& dir)
 {
 #if defined(__WIN32__)
     DWORD attribs = GetFileAttributes(dir);
-    return ((attribs != -1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
+    return ((attribs != (DWORD)-1) && (attribs & FILE_ATTRIBUTE_DIRECTORY));
 #else // Win16
     #ifdef __BORLANDC__
         struct ffblk fileInfo;