Follow up r16981 wrong column for duration2(fixed for bugreport:6848)

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@16983 54d463be-8e91-2dee-dedb-b68131a5f0ec

db/re/skill_cast_db.txt

@@ -1216,7 +1216,7 @@
 2214,3500:4000:4500:5000:5500,0,0,100,0,3000,1000
 
 //-- WL_EARTHSTRAIN 
-2216,2000:3000:4000:5000:6000,1000,0,150,0,75000:90000:105000:120000:135000,2000
+2216,2000:3000:4000:5000:6000,1000,0,150,75000:90000:105000:120000:135000,10000,2000
 //-- WL_TETRAVORTEX
 2217,5000:6000:7000:8000:9000,2000,0,20000,0,15000,2000