Fix all compiler warnings in the game code.

src/game/boe.actions.cpp

@@ -1599,7 +1599,6 @@ bool handle_action(const sf::Event& event, cFramerateLimiter& fps_limiter) {
 	}
 
 	// Otherwise they're in a terrain view mode
-	location cur_loc = is_out() ? univ.party.out_loc : center;
 	auto button_hit = UI::toolbar.button_hit(mainPtr(), the_point, fps_limiter);
 
 	// MARK: Then, handle a button being hit.
@@ -2908,7 +2907,6 @@ bool handle_keystroke(const sf::Event& event, cFramerateLimiter& fps_limiter){
 					chr2 = Key::Z;
 				}
 				else {
-					location cur_loc = is_out() ? univ.party.out_loc : center;
 					location delta = directional_delta[i];
 					if(!handle_screen_shift(delta, need_redraw)){
 						if(handle_terrain_screen_actions(delta, false, false, did_something, need_redraw, need_reprint)){

src/game/boe.dlgutil.cpp

@@ -2165,7 +2165,7 @@ class cFilePicker {
 		return true;
 	}
 
-	bool dummyShowAuto(fs::path auto_folder, fs::path file) {
+	bool dummyShowAuto(fs::path auto_folder, fs::path) {
 		cFilePicker dummyAuto(auto_folder, false, &me, true);
 		dummyAuto.run();
 		if(dummyAuto.dummy_picker_chose){

src/game/boe.graphics.cpp

@@ -724,7 +724,6 @@ void draw_text_bar(std::pair<std::string,std::string> text) {
 	static bool had_statuses = false;
 	bool has_statuses = false;
 	for(auto next : univ.party.status) {
-		const auto& statInfo = *next.first;
 		if(next.second > 0) {
 			has_statuses = true;
 		}

src/game/boe.main.cpp

@@ -246,11 +246,11 @@ static void handleFatalError(std::string what) {
 	}
 }
 
-void dialog_lost_focus(sf::RenderWindow& win) {
+static void dialog_lost_focus(sf::RenderWindow&) {
 	setWindowFloating(mini_map(), false);
 }
 
-void dialog_gained_focus(sf::RenderWindow& win) {
+static void dialog_gained_focus(sf::RenderWindow&) {
 	setWindowFloating(mini_map(), true);
 	if(map_visible){
 		makeFrontWindow(mini_map());

src/game/boe.party.cpp

@@ -2070,7 +2070,7 @@ static bool finish_pick_spell(cDialog& me, bool spell_toast, const short store_s
 	return true;
 }
 
-eCastStatus check_can_cast(const cPlayer& pc, eSkill type) {
+static eCastStatus check_can_cast(const cPlayer&, eSkill) {
 	return CAST_OK;	
 }
 
@@ -2080,6 +2080,7 @@ void print_cast_status(eCastStatus status, eSkill type, std::string pc_name) {
 	if(!pc_name.empty()) prefix += " (" + pc_name + ")";
 	prefix += ": ";
 	switch(status){
+		case CAST_OK: break;
 		case NO_CAST_ANAMA:
 			add_string_to_buf(prefix + "You're an Anama!");
 			break;