log entry of r49021

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49022 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
win32: realloc failures

* win32/file.c (code_page_i): handle realloc failure.
  reported by Denis Denisov <denji0k AT gmail.com>.
* win32/stub.c (stub_sysinit): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
never-NULL pointer check

* dir.c (ruby_glob0): no need to check never-NULL pointer.
  reported by Denis Denisov <denji0k AT gmail.com>.
* win32/file.c (rb_file_expand_path_internal): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e