Fix #2724 (#2725)

Prevents accessing a nullpointer from a non existant mob when using mobsearch

src/map/atcommand.cpp

@@ -6557,14 +6557,13 @@ ACMD_FUNC(mobsearch)
 
 	if ((mob_id = atoi(mob_name)) == 0)
 		 mob_id = mobdb_searchname(mob_name);
-	if(mob_id > 0 && mobdb_checkid(mob_id) == 0){
+	if( mobdb_checkid(mob_id) == 0){
 		snprintf(atcmd_output, sizeof atcmd_output, msg_txt(sd,1219),mob_name); // Invalid mob ID %s!
 		clif_displaymessage(fd, atcmd_output);
 		return -1;
 	}
-	if(mob_id == atoi(mob_name) && mob_db(mob_id)->jname)
-				strcpy(mob_name,mob_db(mob_id)->jname);	// --ja--
-//				strcpy(mob_name,mob_db(mob_id)->name);	// --en--
+	strcpy(mob_name,mob_db(mob_id)->jname);	// --ja--
+//	strcpy(mob_name,mob_db(mob_id)->name);	// --en--
 
 	snprintf(atcmd_output, sizeof atcmd_output, msg_txt(sd,1220), mob_name, mapindex_id2name(sd->mapindex)); // Mob Search... %s %s
 	clif_displaymessage(fd, atcmd_output);
@@ -6578,7 +6577,7 @@ ACMD_FUNC(mobsearch)
 
 		if( md->bl.m != sd->bl.m )
 			continue;
-		if( mob_id != -1 && md->mob_id != mob_id )
+		if( md->mob_id != mob_id )
 			continue;
 
 		++number;