several header files reference Gtk without a proper include
The following header files reference Gtk:
$ grep -l Gtk *.h | sort -h
nma-bar-code-widget.h
nma-cert-chooser-button.h
nma-cert-chooser.h
nma-mobile-wizard.h
nma-pkcs11-cert-chooser-dialog.h
nma-pkcs11-token-login-dialog.h
nma-private.h
nma-ui-utils.h
nma-vpn-password-dialog.h
nma-wifi-dialog.h
but only the following include gtk.h
$ grep gtk/gtk.h -l *.h | sort -h
nma-cert-chooser-button.h
nma-cert-chooser.h
nma-pkcs11-cert-chooser-dialog.h
nma-pkcs11-token-login-dialog.h
nma-ui-utils.h
nma-vpn-password-dialog.h
nma-wifi-dialog.h
So the headers that need to be updated are
nma-private.h
nma-bar-code-widget.h
nma-mobile-wizard.h