[gtk] (13 commits) ...Merge branch 'wip/otte/for-master' into 'master'

[Benjamin Otte <otte src gnome org>]

Summary of changes:

  be30f78... treeview: Don't initialize variable twice (*)
  b231a40... testsuite: Avoid passing NULL to strcmp() (*)
  03e7c7f... treepath: Use g_renew() (*)
  3b8d9db... testtreeview: Fix 19 year old use-after-free (*)
  e377297... liststore: Fix gtk_list_store_iter_is_valid() (*)
  df282a1... applicationaccels: Use g_renew() (*)
  317dcdd... builder-tool: Don't allow property to be both resize and sh (*)
  510e17d... cellarea: Be very clear (*)
  a106b54... treeview: Don't assign value twice. (*)
  b1a257c... reftest: Plug memleak (*)
  394955c... pathbar: Don't do the same thing twice. (*)
  cda9007... stack: Make static analyzer happy (*)
  63126a1... Merge branch 'wip/otte/for-master' into 'master'

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