Switch the correct ammo variable.

The previous pr was supposed to fix what ammo capacity the ship was reloaded to, but instead it was changing how much ammo was in the magazine.

Author: JohnAFernandez

code/scripting/api/objs/ship_bank.cpp

@@ -216,15 +216,15 @@ ADE_VIRTVAR(WeaponClass, l_WeaponBank, "weaponclass", "Class of weapon mounted i
 			if(ADE_SETTING_VAR && weaponclass > -1) {
 				bh->sw->primary_bank_weapons[bh->bank] = weaponclass;
 				if (Weapon_info[weaponclass].wi_flags[Weapon::Info_Flags::Ballistic]) {
-					bh->sw->primary_bank_ammo[bh->bank] = (int)std::lround(bh->sw->primary_bank_capacity[bh->bank] / Weapon_info[weaponclass].cargo_size);
+					bh->sw->primary_bank_start_ammo[bh->bank] = (int)std::lround(bh->sw->primary_bank_capacity[bh->bank] / Weapon_info[weaponclass].cargo_size);
 				}
 			}
 
 			return ade_set_args(L, "o", l_Weaponclass.Set(bh->sw->primary_bank_weapons[bh->bank]));
 		case SWH_SECONDARY:
 			if(ADE_SETTING_VAR && weaponclass > -1) {
 				bh->sw->secondary_bank_weapons[bh->bank] = weaponclass;
-				bh->sw->secondary_bank_ammo[bh->bank] = (int)std::lround(bh->sw->secondary_bank_capacity[bh->bank] / Weapon_info[weaponclass].cargo_size);
+				bh->sw->secondary_bank_start_ammo[bh->bank] = (int)std::lround(bh->sw->secondary_bank_capacity[bh->bank] / Weapon_info[weaponclass].cargo_size);
 			}
 
 			return ade_set_args(L, "o", l_Weaponclass.Set(bh->sw->secondary_bank_weapons[bh->bank]));