war on -Werror, part 11: const int -> float loss.

Had to work around the inline static const int rule
to do it, but at least there is no data loss now.

src/Player.cpp

@@ -2858,7 +2858,7 @@ void Player::UpdateJudgedRows()
 
 				Attack attMineAttack;
 				attMineAttack.sModifiers = ApplyRandomAttack();
-				attMineAttack.fStartSecond = attMineAttack.ATTACK_STARTS_NOW;
+				attMineAttack.fStartSecond = attMineAttack.ATTACK_STARTS_NOW();
 				attMineAttack.fSecsRemaining = fAttackRunTime;
 
 				m_pPlayerState->LaunchAttack( attMineAttack );