farstream: fix build

The generator gst-glib-gen.mak output emitted backslashes before
the hash (#) for #include lines. Regenerate autotools to fix that.

srcpkgs/farstream/patches/fix-gst-glib-gen_mak.patch

@@ -0,0 +1,11 @@
+--- common-modified/gst-glib-gen.mak	2014-09-03 04:47:25.000000000 +0200
++++ common-modified/gst-glib-gen.mak	2020-01-27 14:47:28.704958877 +0100
+@@ -6,7 +6,7 @@
+ #glib_gen_prefix=gst_color_balance
+ #glib_gen_basename=colorbalance
+ 
+-enum_headers=$(foreach h,$(glib_enum_headers),\n\#include \"$(h)\")
++enum_headers=$(foreach h,$(glib_enum_headers),\n#include \"$(h)\")
+ 
+ # these are all the rules generating the relevant files
+ $(glib_gen_basename)-enumtypes.h: $(glib_enum_headers)

srcpkgs/farstream/template

@@ -1,11 +1,12 @@
 # Template file for 'farstream'
 pkgname=farstream
 version=0.2.8
-revision=3
+revision=4
 build_style=gnu-configure
 build_helper="gir"
 configure_args="--disable-valgrind --disable-static $(vopt_enable gir introspection)"
-hostmakedepends="pkg-config intltool python-devel glib-devel $(vopt_if gir gobject-introspection)"
+hostmakedepends="automake libtool gettext pkg-config intltool python-devel
+ glib-devel $(vopt_if gir gobject-introspection)"
 makedepends="python-devel gupnp-igd-devel libnice-devel gst-plugins-base1-devel"
 depends="gst-plugins-good1 gst-plugins-bad1"
 short_desc="GStreamer modules and libraries for videoconferencing"
@@ -18,6 +19,10 @@ checksum=2b3b9c6b4f64ace8c83e03d1da5c5a2884c1cae10b35471072b574201ab38908
 build_options="gir"
 build_options_default="gir"
 
+pre_configure() {
+	NOCONFIGURE=1 autoreconf -fi
+}
+
 farstream-devel_package() {
 	depends="gst-plugins-base1-devel farstream-${version}_${revision}"
 	short_desc+=" - development files"