Fix WinCE string format problem.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2855 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CFileSystem.cpp

@@ -712,7 +712,7 @@ bool CFileSystem::existFile(const io::path& filename) const
 #if defined(_IRR_WCHAR_FILESYSTEM)
 	HANDLE hFile = CreateFileW(filename.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
 #else
-	HANDLE hFile = CreateFileA(filename.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
+	HANDLE hFile = CreateFileW(core::stringw(filename).c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
 #endif
 	if (hFile == INVALID_HANDLE_VALUE)
 		return false;