Fix compiling game VM with OBSTACLEDEBUG defined

code/game/ai_dmq3.c

@@ -4432,6 +4432,9 @@ open, which buttons to activate etc.
 ==================
 */
 void BotAIBlocked(bot_state_t *bs, bot_moveresult_t *moveresult, int activate) {
+#ifdef OBSTACLEDEBUG
+	char netname[MAX_NETNAME];
+#endif
 	int movetype, bspent;
 	vec3_t hordir, sideward, angles, up = {0, 0, 1};
 	//vec3_t start, end, mins, maxs;