Fix setting wxStaticText alignment under wxGTK.

Fix setting wxStaticText alignment under wxGTK.

The alignment was ignored unless a wxST_ELLIPSIZE_XXX style was already used.
Apparently calling gtk_label_set_ellipsize(PANGO_ELLIPSIZE_NONE) resets the
alignment, so set the alignment after setting the ellipsization style, not
before.

Another possible solution would be to avoid calling gtk_label_set_ellipsize()
completely if no ellipsization styles are given but maybe the original code
didn't do this for some (unknown and undocumented) reason so keep it this way.

Closes #10716.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64876 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775