Reset age and height in clear_character

Variation in age and height was leading to a test failure in
starve_test.

src/character.cpp

@@ -6888,6 +6888,12 @@ units::mass Character::bionics_weight() const
     return bio_weight;
 }
 
+void Character::reset_chargen_attributes()
+{
+    init_age = 25;
+    init_height = 175;
+}
+
 int Character::base_age() const
 {
     return init_age;

src/character.h

@@ -1579,6 +1579,8 @@ class Character : public Creature, public visitable<Character>
         float get_bmi() const;
         // returns amount of calories burned in a day given various metabolic factors
         int get_bmr() const;
+        // Reset age and height to defaults for consistent test results
+        void reset_chargen_attributes();
         // age in years, determined at character creation
         int base_age() const;
         void mod_base_age( int mod );

tests/player_helpers.cpp

@@ -66,6 +66,7 @@ void clear_character( player &dummy, bool debug_storage )
     dummy.clear_morale();
     dummy.clear_bionics();
     dummy.activity.set_to_null();
+    dummy.reset_chargen_attributes();
     dummy.set_pain( 0 );
 
     // Restore all stamina and go to walk mode