Incubator Workaround uses $activeChild, not $activeSlave. Don't copy random...

Incubator Workaround uses $activeChild, not $activeSlave.  Don't copy random incompatible child objects into the incubator.

src/pregmod/birthStorm.tw

@@ -211,19 +211,18 @@ The remote surgery allows the removal of the pregnancy generator through convent
 	<<if _cToIncub > 0 || _cToNursery > 0>>
 		<<for _cb = 0; _cb < _curBabies; _cb++>> /* if there is no reserved children, code in loop will not trigger */
 			<<if $mom.curBabies[_cb].reserve == "incubator">>
-				<<set $activeSlave = generateChild($mom, $mom.curBabies[_cb], 1)>>
+				<<set $activeChild = generateChild($mom, $mom.curBabies[_cb], 1)>>
 				<<include "Incubator Workaround">>
 				<<run $mom.curBabies.splice($mom.curBabies[_cb], 1)>>
 				<<set _cb--, _curBabies-->>
 			<<elseif $mom.curBabies[_cb].reserve == "nursery">>
-				<<set $activeSlave = generateChild($mom, $mom.curBabies[_cb])>>
+				<<set $activeChild = generateChild($mom, $mom.curBabies[_cb])>>
 				<<include "Nursery Workaround">>
 				<<run $mom.curBabies.splice($mom.curBabies[_cb], 1)>>
 				<<set _cb--, _curBabies-->>
 			<</if>>
 		<</for>>
 	<</if>>
-	<<set $activeSlave = $mom>>
 
 <<else>>
 	/*No live babies. Placeholder */