tiny fixes

Author: pawnishoovy

Data/Browncoats.rte/Actors/Turrets/Thunderer/ThundererGun.lua

@@ -145,6 +145,8 @@ function Update(self)
 				self.servoMoving = true;
 			end
 		end
+	else
+		self.servoLoopSound.Volume = 0;
 	end
 
 	if self:DoneReloading() then

Data/Coalition.rte/Actors/Turrets/BunkerCannon/BunkerCannonGun.lua

@@ -119,6 +119,8 @@ function Update(self)
 				self.servoMoving = true;
 			end
 		end
+	else
+		self.servoLoopSound.Volume = 0;
 	end
 
 	-- Mathemagical firing anim by filipex