engine: client: hook sensitivity cvar registration and make it priveleged cvar

engine/client/cl_game.c

@@ -1713,7 +1713,8 @@ pfnCvar_RegisterVariable
 static cvar_t *GAME_EXPORT pfnCvar_RegisterClientVariable( const char *szName, const char *szValue, int flags )
 {
 	// a1ba: try to mitigate outdated client.dll vulnerabilities
-	if( !Q_stricmp( szName, "motdfile" ))
+	if( !Q_stricmp( szName, "motdfile" )
+		|| !Q_stricmp( szName, "sensitivity" ))
 		flags |= FCVAR_PRIVILEGED;
 
 	return (cvar_t *)Cvar_Get( szName, szValue, flags|FCVAR_CLIENTDLL, Cvar_BuildAutoDescription( szName, flags|FCVAR_CLIENTDLL ));