Changes to make it work in windows again;

New header util/platform.hpp for platform specific stuff that doesn't go elsewhere;
Changed resource names from "CURSOR_SOMETHING" to "cursor/something", so it matches the filenames (in progress for other resource types).

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@190 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/thumbnail_thread.cpp

@@ -7,6 +7,7 @@
 // ----------------------------------------------------------------------------- : Includes
 
 #include <gui/thumbnail_thread.hpp>
+#include <util/platform.hpp>
 #include <wx/thread.h>
 
 typedef pair<ThumbnailRequestP,Image> pair_ThumbnailRequestP_Image;
@@ -17,7 +18,7 @@ DECLARE_TYPEOF_COLLECTION(pair_ThumbnailRequestP_Image);
 String user_settings_dir();
 String image_cache_dir() {
 	String dir = user_settings_dir() + _("/cache");
-	if (!wxDirExists(dir)) wxMkDir(wxConvLocal.cWX2MB(dir), 0777);
+	if (!wxDirExists(dir)) wxMkDir(dir);
 	return dir + _("/");
 }