Changed to glib 2.72.2

Makefile

 all:
-	tar xf glib-2.80.3.tar.xz
-	cd glib-2.80.3 && mkdir -p build
-	cd glib-2.80.3/build && meson setup .. --prefix=/usr --buildtype=release -D introspection=disabled -D man-pages=disabled
-	cd glib-2.80.3/build && ninja
-	cd glib-2.80.3/build && ninja install
-	mkdir -p /usr/share/doc/glib-2.80.3
-	cp -r glib-2.80.3/docs/reference/{NEWS,gio,glib,gobject} /usr/share/doc/glib-2.80.3
+	tar xf glib-2.72.2.tar.xz
+	cd glib-2.72.2 && mkdir -p build
+	cd glib-2.72.2/build && meson setup .. --prefix=/usr --buildtype=release -D introspection=disabled -D man-pages=disabled
+	cd glib-2.72.2/build && ninja
+	cd glib-2.72.2/build && ninja install
+	mkdir -p /usr/share/doc/glib-2.72.2
+	cp -r glib-2.72.2/docs/reference/{NEWS,gio,glib,gobject} /usr/share/doc/glib-2.72.2
 
 introspection:
-	cd glib-2.80.3/build && meson configure -D introspection=enabled
-	cd glib-2.80.3/build && ninja
-	cd glib-2.80.3/build && ninja install
+	cd glib-2.72.2/build && meson configure -D introspection=enabled
+	cd glib-2.72.2/build && ninja
+	cd glib-2.72.2/build && ninja install
 
 tests:
 	mkdir glib-home
 	if [[ ! "$(BUILD_OPTIONS)" =~ no-tests ]] ; then \
 	    /bin/systemd-machine-id-setup ; \
-	    chown -R nobody.nobody glib-2.80.3 glib-home ; \
-	    cd glib-2.80.3/build ; \
+	    chown -R nobody.nobody glib-2.72.2 glib-home ; \
+	    cd glib-2.72.2/build ; \
 	    su nobody -s /bin/bash -c "HOME=$(CURDIR)/glib-home ninja test" ; \
 	    rm /etc/machine-id ; \
 	fi
-	rm -rf glib-2.80.3
+	rm -rf glib-2.72.2
 	rm -rf glib-home