Fix VariantsRewriter and SymbolRewriter to handle inner segment boundary correctly

Turned out that SymbolRewriter and VariantRewriter are culprits.

Closes Issue 261

BUG=Issue mozc:261
TEST=Manually done on Nexus 5 / Android 5.0.1 LRX22C

git-svn-id: https://mozc.googlecode.com/svn/trunk@455 a6090854-d499-a067-5803-1114d4e51264
8 files changed
tree: f2dd5c3c28d5150fbffe01d94fd5c62223f0ed49
  1. src/