[tracker] (13 commits) Non-fast-forward update to branch wip/sam/meson

[Sam Thursfield <sthursfield src gnome org>]

The branch 'wip/sam/meson' 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:

  8336db5... WIP: Meson build instructions for Tracker
  96eb513... Fix another pointer type mismatch
  d44c336... tracker-extract: Remove unused variable from Makefile.am
  208b016... tracker-extract: Remove unused #include
  2901ee6... Make the configuration neater again
  47adc7c... Use `#ifdef` and `#elif defined()` instead of `#if` and `#e

Commits added to the branch:

  c2eaeec... libtracker-data: Clear possible error (*)
  55ddbde... libtracker-common: Be more lenient with dup2/dup3 (*)
  5018624... tracker-store: Create our own error if cancelled (*)
  ba28fab... libtracker-data: Use memory temp store for readonly connect (*)
  662feef... Updated Galician translations (*)
  46e916b... Updated Serbian translation (*)
  c5db528... Fix another pointer type mismatch
  73f88f2... tracker-extract: Remove unused variable from Makefile.am
  fe6cc53... tracker-extract: Remove unused #include
  c9e2162... Avoid crash in ttlresource2sgml.c on invalid output path
  50ce685... Silence the ttl_loader.c script by default
  3952b1c... Remove unused variables in Makefile.am
  cc6f53c... Meson build instructions for Tracker

(*) This commit already existed in another branch; no separate mail sent