mruby/mruby — pull request #580 by shtirlic (2012-11-30 15:45:30+00:00)
Title: Fix compile warnings in mirb

Change last_char type to int
Warnings
mirb.c:174:7: warning: comparison is always false due to limited range of data type [-Wtype-limits]
warning: comparison is always false due to limited range of data type [-Wtype-limits]