[FFmpeg-cvslog] configure: Mention the dash demuxer in the libxml2 help text.

[Carl Eugen Hoyos]

ffmpeg | branch: master | Carl Eugen Hoyos <ceffmpeg at gmail.com> | Mon May 14 21:00:26 2018 +0200| [20b88076223b88f99e44b6ac5d68749c8d6998ca] | committer: Carl Eugen Hoyos

configure: Mention the dash demuxer in the libxml2 help text.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=20b88076223b88f99e44b6ac5d68749c8d6998ca
---

 configure | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 6a9d51698d..1f7d0140e3 100755
--- a/configure
+++ b/configure
@@ -282,7 +282,8 @@ External library support:
   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
   --enable-libxvid         enable Xvid encoding via xvidcore,
                            native MPEG-4/Xvid encoder exists [no]
-  --enable-libxml2         enable XML parsing using the C library libxml2 [no]
+  --enable-libxml2         enable XML parsing using the C library libxml2, needed
+                           for dash demuxing support [no]
   --enable-libzimg         enable z.lib, needed for zscale filter [no]
   --enable-libzmq          enable message passing via libzmq [no]
   --enable-libzvbi         enable teletext support via libzvbi [no]