gmmproc: _WRAP_METHOD: Use G_GNUC_[BEGIN|END]_IGNORE_DEPRECATIONS
gmmproc: _WRAP_METHOD: Use G_GNUC_[BEGIN|END]_IGNORE_DEPRECATIONS

* tools/m4/method.m4: Put G_GNUC_[BEGIN|END]_IGNORE_DEPRECATIONS around
deprecated code. In most cases it's then not necessary to undef
[G|GDK|GTK]_DISABLE_DEPRECATED and define
[GLIB|GDK]_DISABLE_DEPRECATION_WARNINGS. Bug #750379.

johne53/MB3Glibmm,GNOME/glibmm,GNOME/glibmm,GNOME/glibmm,GNOME/glibmm,johne53/MB3Glibmm,johne53/MB3Glibmm,johne53/MB3Glibmm,GNOME/glibmm