libgweather/gweather-private.c: Fix compilation in i686; Use guint instead gsize
From https://docs.gtk.org/glib/struct.PtrArray.html, seems the "len" parameter in the GPtrArray struct is a guint
Fixes #157 (closed)
Edited by Javier Jardón
From https://docs.gtk.org/glib/struct.PtrArray.html, seems the "len" parameter in the GPtrArray struct is a guint
Fixes #157 (closed)