Fixed an exploit allowing instant plant growth

code/modules/hydroponics/hydroponics.dm

@@ -857,6 +857,10 @@
 		user.visible_message("<span class='notice'>[user] digs out the plants in [src]!</span>", "<span class='notice'>You dig out all of [src]'s plants!</span>")
 		playsound(src, 'sound/effects/shovel_dig.ogg', 50, 1)
 		if(myseed) //Could be that they're just using it as a de-weeder
+			age = 0
+			health = 0
+			if(harvest)
+				harvest = FALSE //To make sure they can't just put in another seed and insta-harvest it
 			qdel(myseed)
 			myseed = null
 		weedlevel = 0 //Has a side effect of cleaning up those nasty weeds