Implement SDL2 SetIcon in Lime legacy

legacy/project/include/Utils.h

@@ -194,8 +194,6 @@ typedef std::wstring WString;
 WString IntToWide(int value);
 WString ColorToWide(int value);
 
-void SetIcon( const char *path );
-
 int GetDeviceOrientation();
 int GetNormalOrientation();
 double CapabilitiesGetPixelAspectRatio ();
@@ -255,6 +253,8 @@ extern int gFixedOrientation;
 #endif
 
 
+void SetIcon( const OSChar *path );
+
 std::string GetExeName();