Adding mbcs ja comennt support
Remove c++ style comment
Fixed compiler warning. (for gcc)
Fixed compiler warning of a bit. (for MSVC and MinGW)
Update gnu_regex/ source files from the GNU glibc-2.18 package
Fixed gnu_regex/ compile error (Temporary measures) (for MSVC and MinGW)
Fixed gnu_regex/ compiler warning (for MinGW)
Prepare support multibyte (A First step)