Quickfix to last commit

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@13630 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/skill.c

@@ -8755,7 +8755,7 @@ int skill_delayfix (struct block_list *bl, int skill_id, int skill_lv)
 		}
 	}
 
-	if (sc->data[SC_SPIRIT])
+	if ( sc && sc->data[SC_SPIRIT] )
 	{
 		switch (skill_id) {
 			case CR_SHIELDBOOMERANG: