Updated CreateTexture (markdown)

CreateTexture.md

@@ -27,7 +27,7 @@ _This function is intended for use with tools or editor programs. For runtime/en
 
 # Example
 
-    WCHAR ext[_MAX_EXT];
+    wchar_t ext[_MAX_EXT];
     _wsplitpath_s( filename, nullptr, 0, nullptr, 0, nullptr, 0, ext, _MAX_EXT );
 
     ScratchImage image;