buildenv: Limit exclusion of info/dir

While trying to exclude a generated `/share/info/dir` in a package
from symlinking into a profile, we also ended up excluding the Emacs
info manual for `dired-x`. This change excludes only the dir file.

+1 -1
+1 -1
pkgs/build-support/buildenv/builder.pl
··· 126 126 return if 127 127 $relName eq "/propagated-build-inputs" || 128 128 $relName eq "/nix-support" || 129 - $relName =~ /info\/dir/ || 129 + $relName =~ /info\/dir$/ || 130 130 ( $relName =~ /^\/share\/mime\// && !( $relName =~ /^\/share\/mime\/packages/ ) ) || 131 131 $baseName eq "perllocal.pod" || 132 132 $baseName eq "log" ||