updated sp cost (from stable)

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@5807 54d463be-8e91-2dee-dedb-b68131a5f0ec

db/skill_require_db.txt

@@ -232,7 +232,7 @@
 307,0,0,20,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_RICHMANKIM#ニヨルドの宴#
 308,0,0,30,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_ETERNALCHAOS#永遠の混沌#
 309,0,0,38:41:44:47:50,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_DRUMBATTLEFIELD#?太鼓の響き#
-310,0,0,40:45:50:55:60,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_RINGNIBELUNGEN#ニ?ベルングの指輪#
+310,0,0,38:41:44:47:50,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_RINGNIBELUNGEN#ニ?ベルングの指輪#
 311,0,0,15,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_ROKISWEIL#ロキの叫び#
 312,0,0,10,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_INTOABYSS#深淵の中に#
 313,0,0,20,0,0,0,13:14,none,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0	//BD_SIEGFRIED#不死身のジ?クフリ?ド#