Add function u_glist_free_full in libgeda
Replace glist_free_full with u_glist_free_full in notify module
Replace glist_free_full in Libgedauio label module
Include errno.h in f_get.c and g_evaluate.c
g_value_set_char instad of g_value_set_schar
Add function u_gslist_free_full
And header too