mate-panel: unbreak build.

srcpkgs/mate-panel/template

@@ -1,10 +1,10 @@
 # Template file for 'mate-panel'
 pkgname=mate-panel
 version=1.8.1
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--with-gtk=2.0 --disable-static --disable-schemas-compile
- --enable-network-manager $(vopt_enable gir introspection)"
+ --enable-network-manager $(vopt_enable gir gobject-introspection)"
 hostmakedepends="pkg-config intltool itstool"
 makedepends="gtk+-devel libcaja-devel libwnck2-devel libcanberra-devel libSM-devel
  libmateweather-devel librsvg-devel libXau-devel libmarco-devel mate-menus-devel