Stone Curse's petrify duration should be 20 seconds at any levels.

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@14067 54d463be-8e91-2dee-dedb-b68131a5f0ec

db/Changelog.txt

@@ -8,6 +8,8 @@
 	1475 Equestrian's Spear:	NEED INFO.
 	13005 Angelic Wing Dagger:	NEED INFO.
 =======================
+2009/09/19
+	* Stone Curse's petrify duration should be 20 seconds at any levels. [Inkfish]
 2009/09/18
 	* Storm Gust's freeze duration should be 12 seconds at any levels. [Inkfish]
 2009/09/16

db/skill_cast_db.txt

@@ -56,7 +56,7 @@
 //-- MG_FROSTDRIVER
 15,800,1500,0,0,3000:6000:9000:12000:15000:18000:21000:24000:27000:30000
 //-- MG_STONECURSE
-16,1000,0,0,5000,11000:12000:13000:14000:15000:16000:17000:18000:19000:20000
+16,1000,0,0,5000,20000
 //-- MG_FIREBALL
 17,1500:1500:1500:1500:1500:1000:1000:1000:1000:1000,1500:1500:1500:1500:1500:1000:1000:1000:1000:1000,0,0,0
 //-- MG_FIREWALL