remove rb_str_modify workaround
commit0e9c2aefd2df983dc79959eb28075efaf7800da0
authorEric Wong <e@80x24.org>
Fri, 3 Mar 2017 20:53:06 +0000 (3 20:53 +0000)
committerEric Wong <e@80x24.org>
Fri, 3 Mar 2017 21:27:40 +0000 (3 21:27 +0000)
treeccf42a68cbe9b7b06e09fa26d2d6a5e6be5679f4
parent7ae9aca1e6c820ba5b4346bf1e6950c46d13eb78
remove rb_str_modify workaround

Every supported Ruby implementation has a rb_str_modify
wrapper.
ext/kcar/ext_help.h
ext/kcar/extconf.rb