a few little changes

src/ScreenOptionsEditCourse.cpp

@@ -394,7 +394,10 @@ void ScreenOptionsEditCourse::SetCurrentSong()
 			if( index != 0 )
 				pSong = m_vpSongs[ index - 1 ];
 		}
-		GAMESTATE->m_pCurSong.Set( pSong );
+		if ( pSong != NULL )
+		{
+			GAMESTATE->m_pCurSong.Set( pSong );
+		}
 	}
 }
 

src/arch/ArchHooks/ArchHooks_Win32.cpp

@@ -19,7 +19,7 @@ static bool g_bIsMultipleInstance = false;
 void InvalidParameterHandler( const wchar_t *szExpression, const wchar_t *szFunction, const wchar_t *szFile,
 					  unsigned int iLine, uintptr_t pReserved )
 {
-	FAIL_M( "Invalid parameter" );
+  FAIL_M( "Invalid parameter" ); //TODO: Make this more informative
 }
 #endif