Hivelord: single letter var (#4932)

# About the pull request

Replaces a lone single letter var. Hivelords are blessed.

# Explain why it's good for the game
# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>

Put screenshots and videos here with an empty line between the
screenshots and the `<details>` tags.

</details>


# Changelog
:cl:
code: Replaces single letter var in hivelord code
/:cl:

code/modules/mob/living/carbon/xenomorph/castes/Hivelord.dm

@@ -119,7 +119,7 @@
 
 /// This check mainly exists because of the new resin node ability for resin whisperer.
 /mob/living/carbon/xenomorph/hivelord/proc/on_weeds()
-	var/turf/T = get_turf(src)
-	if(locate(/obj/effect/alien/weeds) in T)
+	var/turf/turf = get_turf(src)
+	if(locate(/obj/effect/alien/weeds) in turf)
 		return TRUE
 	return FALSE