[glib] (10 commits) ...Merge branch 'fixing_warnings' into 'master'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  9402940... Fixing signedness warning in sindent():gtester.c
  5ca8c2f... Fixing signedness in g_ptr_array_maybe_expand():garray.c
  bfedf0f... Fixing signedness in gdataset.c
  b8efd0d... Fixing signedness in digest_to_string:glib/gchecksum.c
  3384ed3... Fixing signedness warnings in glib/gdatetime.c
  a419146... Fixing signedness in g_ptr_array_insert():glib/garray.c
  6e49b36... Fixing signedness in glib/gdate.c
  4cd8fcc... Fixing missing initializer in g_static_rec_mutex_init()
  5d78256... Silencing cast-function-type warnings
  097dc30... Merge branch 'fixing_warnings' into 'master'