Raised the chance to get an OPB from an OPB

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@9146 54d463be-8e91-2dee-dedb-b68131a5f0ec

db/Changelog.txt

@@ -20,6 +20,7 @@
 
 ========================
 11/05
+	* Raised the chance to get an OPB from an OPB [Playtester]
 	* Official NJ/GS job exp for level 51+52 [Playtester]
 11/03
 	* Official X.4 MVP rewards [Playtester]

db/item_violetbox.txt

@@ -8979,7 +8979,7 @@
 2,5072,1	//Incubus Horn
 2,5053,1	//Sphinx Hat
 2,616,1	//Old Card Album
-2,617,1	//Old Purple Box
+2,617,100	//Old Purple Box
 2,644,100	//Gift Box
 2,604,100	//Dead Branch
 2,603,600	//Old Blue Box