[FFmpeg-cvslog] configure: list libv4l2 as an optional library for v4l2

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Thu Oct 12 19:36:19 2017 -0300| [15dc897582ad15210a94c7a8a13e7679f180a049] | committer: James Almer

configure: list libv4l2 as an optional library for v4l2

Fixes regression since 6dfcbd80ad446ff163b47f2bf432bbf706436ea8
and 734ed38931103c523c42333633a315a0ce1b5eb2.

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=15dc897582ad15210a94c7a8a13e7679f180a049
---

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

diff --git a/configure b/configure
index 1db50df0a4..dc486ed756 100755
--- a/configure
+++ b/configure
@@ -3116,7 +3116,6 @@ kmsgrab_indev_deps="libdrm"
 lavfi_indev_deps="avfilter"
 libcdio_indev_deps="libcdio"
 libdc1394_indev_deps="libdc1394"
-v4l2_indev_deps="libv4l2"
 openal_indev_deps="openal"
 opengl_outdev_deps="opengl"
 oss_indev_deps_any="soundcard_h sys_soundcard_h"
@@ -3127,7 +3126,9 @@ sdl2_outdev_deps="sdl2"
 sndio_indev_deps="sndio"
 sndio_outdev_deps="sndio"
 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
+v4l2_indev_suggest="libv4l2"
 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
+v4l2_outdev_suggest="libv4l2"
 vfwcap_indev_deps="vfw32 vfwcap_defines"
 xcbgrab_indev_deps="libxcb"
 xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"