Corrected Succession of the Prince quest (#4445)

* Fixes #4443.
* Added a missing space in the disablenpc event.
Thanks to @Indigo000!

npc/pre-re/quests/quests_morocc.txt

@@ -2643,7 +2643,7 @@ OnTouch:
 		next;
 		mes "[A man of Riehart Family]";
 		mes "Never mind...";
-		donpcevent "YoungNoble#valter::OnDisable";
+		donpcevent "Young Noble#valter::OnDisable";
 		donpcevent "Aged Noble#rihart::OnDisable";
 		next;
 		mes "[" + strcharinfo(0) + "]";