media-sound/mpdscribble: added missing autotools inherit to -9999

Closes: https://github.com/gentoo/gentoo/pull/3063

media-sound/mpdscribble/mpdscribble-9999.ebuild

@@ -3,7 +3,7 @@
 # $Id$
 
 EAPI=6
-inherit git-r3
+inherit git-r3 autotools
 
 DESCRIPTION="An MPD client that submits information to Audioscrobbler"
 HOMEPAGE="http://mpd.wikia.com/wiki/Client:Mpdscribble"
@@ -21,6 +21,11 @@ RDEPEND="dev-libs/glib
 DEPEND="${RDEPEND}
 	virtual/pkgconfig"
 
+src_prepare() {
+	default
+	eautoreconf
+}
+
 src_configure() {
 	econf \
 		--with-http-client=$(usex curl curl soup)