ext/coverage/depend: fix id.h place as r40283.
ext/coverage/extconf.rb: add topdir and topsrcdir to VPATH.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
ext/coverage/depend: fix id.h place as r40283.
ext/coverage/extconf.rb: add topdir and topsrcdir to VPATH.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e