string.c: Add parentheses to avoid C source code ambiguity. [Bug #12536]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
string.c: Add parentheses to avoid C source code ambiguity. [Bug #12536]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e