[glib] Non-fast-forward update to branch wip/avoid-searching-path

[Simon McVittie <smcv src gnome org>]

The branch 'wip/avoid-searching-path' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  2aa21d8... spawn: Don't set a search path if we don't want to search P

Commits added to the branch:

  7ff0fb3... spawn: Don't set a search path if we don't want to search P