Fix various compiler warnings

src/game/boe.combat.cpp

@@ -375,7 +375,7 @@ void start_outdoor_combat(cOutdoors::cCreature encounter,location where,short nu
 
 bool pc_combat_move(location destination) {
 	std::string create_line;
-	short s1,s2,monst_exist;
+	short s1,monst_exist;
 	bool keep_going = true,forced = false,check_f = false;
 	location monst_loc,store_loc;
 	eDirection dir;
@@ -420,16 +420,16 @@ bool pc_combat_move(location destination) {
 			return true;
 		}
 		else if(monst_hit != nullptr) {
-			// s2 = 2 here appears to mean "go ahead and attack", while s2 = 1 means "cancel attack".
-			if(!monst_hit->is_friendly()) s2 = 2;
+			bool do_attack = false;
+			if(!monst_hit->is_friendly()) do_attack = true;
 			else {
 				std::string result = cChoiceDlog("attack-friendly",{"cancel","attack"}).show();
-				if(result == "cancel") s2 = 1;
-				else if(result == "attack") s2 = 2;
+				if(result == "cancel") do_attack = false;
+				else if(result == "attack") do_attack = true;
 			}
-			if(s2 == 2 && monst_hit->is_friendly())
-				make_town_hostile();
-			if(s2 == 2) {
+			if(do_attack) {
+				if(monst_hit->is_friendly())
+					make_town_hostile();
 				univ.current_pc().last_attacked = monst_hit;
 				pc_attack(univ.cur_pc,monst_hit);
 				return true;

src/game/boe.monster.cpp

@@ -400,7 +400,6 @@ short monst_pick_target(short which_m) {
 	if((dist(cur_monst->cur_loc,univ.town.monst[targ_m - 100].cur_loc) ==
 		 dist(cur_monst->cur_loc,univ.party[targ_pc].combat_pos)) && (get_ran(1,0,6) < 3))
 		return targ_m;
-	else return targ_pc;
 	if(dist(cur_monst->cur_loc,univ.town.monst[targ_m - 100].cur_loc) <
 		dist(cur_monst->cur_loc,univ.party[targ_pc].combat_pos))
 		return targ_m;

src/game/boe.specials.cpp

@@ -2634,7 +2634,7 @@ void affect_spec(const runtime_state& ctx) {
 			// TODO: I think this is for compatibility with old scenarios? If so, remove it and just convert data on load.
 			// (Actually, I think the only compatibility thing is that it's <= instead of ==)
 			if(spec.ex2a <= 0) {
-				int i;
+				int i = 0;
 				if(spec.ex1a == 2)
 					ctx.cur_target = &univ.party;
 				else if(spec.ex1a == 1) {

src/game/boe.text.cpp

@@ -242,8 +242,8 @@ void put_item_screen(eItemWinMode screen_num) {
 			
 		default: // on an items page
 			pc = screen_num;
-			sout.str("");;
-			sout << univ.party[pc].name << " inventory:",
+			sout.str("");
+			sout << univ.party[pc].name << " inventory:";
 			win_draw_string(item_stats_gworld,upper_frame_rect,sout.str(),eTextMode::WRAP,style);
 			break;
 	}