Fixes trying mouth to mouth when people are on fire (#11700)

code/modules/mob/living/carbon/human/human_attackhand.dm

@@ -102,7 +102,7 @@
 
 	switch(M.a_intent)
 		if(I_HELP)
-			if(H != src && istype(H) && (is_asystole() || (status_flags & FAKEDEATH) || failed_last_breath))
+			if(H != src && istype(H) && (is_asystole() || (status_flags & FAKEDEATH) || failed_last_breath) && !src.on_fire)
 				if (cpr)
 					cpr = FALSE
 					return

html/changelogs/MouthOnFire.yml

@@ -0,0 +1,6 @@
+author: TheGreyWolf
+
+delete-after: True
+
+changes:
+  - bugfix: "You will no longer attempt to resuscitate prone people who are on fire, instead they will be put out first."