Asan: correct some undefined, ... problems

src/universe/creature.cpp

@@ -20,6 +20,8 @@ const short cCreature::charm_odds[21] = {90,90,85,80,78, 75,73,60,40,30, 20,10,4
 cCreature::cCreature() {
 	attitude = eAttitude::DOCILE;
 	cur_loc.x = cur_loc.y = targ_loc.x = targ_loc.y = 80;
+	// ASAN party_summoned writed but unset
+	party_summoned = false;
 }
 
 cCreature::cCreature(int num) : cCreature() {

src/universe/population.hpp

@@ -32,7 +32,8 @@ public:
 	void clear() {dudes.clear();}
 	cCreature& operator[](size_t n);
 	const cCreature& operator[](size_t n) const;
-	cPopulation() : which_town(200) {}
+	// ASAN hostile copied but unset
+	cPopulation() : which_town(200), hostile(false) {}
 	std::vector<cCreature>::iterator begin() {return dudes.begin();}
 	std::vector<cCreature>::iterator end() {return dudes.end();}
 	// Apparently Visual Studio needs this to work