.gdbinit: initialize

* .gdbinit (ruby_gdb_init): initialize enums.

* .gdbinit (rb_id2name): initialize debug info too.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
proc.c: local variable

* proc.c (method_inspect): use a local variable instead of repeating
  dereferences.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44161 b2dd03c8-39d4-4d8f-98ff-823fe69b080e