[tracker] (14 commits) ...Merge branch 'sign-compare' into 'master'

[Carlos Garnacho <carlosg src gnome org>]

Summary of changes:

  475914c... treewide: Fix signed vs unsigned comparison in loop index v
  66c9c40... tracker-sparql: Simplify and fix signed vs unsigned compari
  1650209... mtp-dummy: Fix gint vs gsize comparison
  dcb40e8... tracker-serializer-xml: Fix long vs gsize comparison
  ed4856a... tracker-serializer-json: Fix gssize vs gsize comparison
  9691569... tracker-utils: Fix glong vs gsize comparison
  984eb62... tracker-string-builder: Fix gsize vs gssize comparison
  ad9ba20... tracker-sparql-parser: Fix gsize vs gssize comparison
  d1dc011... tests: Fix ging vs guint comparisons
  6192b87... tracker-sparql-types: Fix int vs guint comparisons
  8083057... tracker-db-interface: Fix gint vs guint comparisons
  4a8c83e... tracker-parser-libicu: Fix gint vs gsize comparison
  dec152e... meson: Do not disable sign-compare warnings
  415f88b... Merge branch 'sign-compare' into 'master'