unicode_normalize/normalize.rb: remove prefix

* lib/unicode_normalize/normalize.rb (hangul_decomp_one): remove
  system hungarian prefix, nonsense in ruby.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/unicode_normalize/normalize.rb

@@ -43,11 +43,11 @@ module UnicodeNormalize
 
   ## Hangul Algorithm
   def self.hangul_decomp_one(target)
-    sIndex = target.ord - SBASE
-    return target if sIndex < 0 || sIndex >= SCOUNT
-    l = LBASE + sIndex / NCOUNT
-    v = VBASE + (sIndex % NCOUNT) / TCOUNT
-    t = TBASE + sIndex % TCOUNT
+    index = target.ord - SBASE
+    return target if index < 0 || index >= SCOUNT
+    l = LBASE + index / NCOUNT
+    v = VBASE + (index % NCOUNT) / TCOUNT
+    t = TBASE + index % TCOUNT
     (t==TBASE ? [l, v] : [l, v, t]).pack('U*') + target[1..-1]
   end