Fixed Icewall not restoring the original cell type (mistake in r11175).

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@12836 54d463be-8e91-2dee-dedb-b68131a5f0ec

Changelog-Trunk.txt

@@ -4,8 +4,8 @@ AS OF SVN REV. 5091, WE ARE NOW USING TRUNK.  ALL UNTESTED BUGFIXES/FEATURES GO
 IF YOU HAVE A WORKING AND TESTED BUGFIX PUT IT INTO STABLE AS WELL AS TRUNK.
 
 2008/06/14
+	* Fixed Icewall not restoring the original cell type [ultramage]
 	* Fixed PF_FOGWALL working on Boss monsters. [Brainstorm]
-
 2008/06/13
 	* Fixed Evil Land working versus undead element instead of undead race.
 	* Fixed Grandcross and darkgrandcross, should only cause blind against undead race.

src/map/skill.c

@@ -6463,6 +6463,7 @@ struct skill_unit_group* skill_unitsetting (struct block_list *src, short skilli
 			break;
 		case WZ_ICEWALL:
 			val1 = (skilllv <= 1) ? 500 : 200 + 200*skilllv;
+			val2 = map_getcell(src->m, ux, uy, CELL_GETTYPE);
 			break;
 		case HT_LANDMINE:
 		case HT_ANKLESNARE: