Reset constructor upgrade between games.

If starting a T3 game, leaving the game, and joining a T1 game, the player would have an 18% construction speed advantage over the other players.

Changelog: Fix construction speed upgrades being preserved even between games.

Author: Cyp

src/stats.c

@@ -163,11 +163,12 @@ void statsInitVars(void)
 	numSpecialAbility = 0;
 
 	//initialise the upgrade structures
-	memset(asWeaponUpgrade, 0, MAX_PLAYERS * WSC_NUM_WEAPON_SUBCLASSES * sizeof(WEAPON_UPGRADE));
-	memset(asSensorUpgrade, 0, MAX_PLAYERS * sizeof(SENSOR_UPGRADE));
-	memset(asECMUpgrade, 0, MAX_PLAYERS * sizeof(ECM_UPGRADE));
-	memset(asRepairUpgrade, 0, MAX_PLAYERS * sizeof(REPAIR_UPGRADE));
-	memset(asBodyUpgrade, 0, MAX_PLAYERS * sizeof(BODY_UPGRADE) * BODY_TYPE);
+	memset(asWeaponUpgrade, 0, sizeof(asWeaponUpgrade));
+	memset(asSensorUpgrade, 0, sizeof(asSensorUpgrade));
+	memset(asECMUpgrade, 0, sizeof(asECMUpgrade));
+	memset(asRepairUpgrade, 0, sizeof(asRepairUpgrade));
+	memset(asConstUpgrade, 0, sizeof(asConstUpgrade));
+	memset(asBodyUpgrade, 0, sizeof(asBodyUpgrade));
 
 	// init the max values
 	maxComponentWeight = maxBodyArmour = maxBodyPower =