docs/plugins/: Add v4l2 plugin to the docs.

Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
Add v4l2 plugin to the docs.
* sys/v4l2/gstv4l2src.c: (gst_v4l2src_get_read),
(gst_v4l2src_get_mmap), (gst_v4l2src_create):
* sys/v4l2/gstv4l2src.h:
* sys/v4l2/gstv4l2vidorient.c:
Fix docs.
Remove some more externs.

1 files changed, 7 insertions, 7 deletions

diff --git a/sys/v4l2/gstv4l2vidorient.c b/sys/v4l2/gstv4l2vidorient.c
index 8f9c91af..07ac412b 100644
--- a/sys/v4l2/gstv4l2vidorient.c
+++ b/sys/v4l2/gstv4l2vidorient.c
@@ -50,46 +50,46 @@ gst_v4l2_video_orientation_get_hflip (GstV4l2Object * v4l2object,
   return gst_v4l2_get_attribute (v4l2object, V4L2_CID_HFLIP, flip);
 }
 
-extern gboolean
+gboolean
 gst_v4l2_video_orientation_get_vflip (GstV4l2Object * v4l2object,
     gboolean * flip)
 {
   return gst_v4l2_get_attribute (v4l2object, V4L2_CID_VFLIP, flip);
 }
 
-extern gboolean
+gboolean
 gst_v4l2_video_orientation_get_hcenter (GstV4l2Object * v4l2object,
     gint * center)
 {
   return gst_v4l2_get_attribute (v4l2object, V4L2_CID_HCENTER, center);
 }
 
-extern gboolean
+gboolean
 gst_v4l2_video_orientation_get_vcenter (GstV4l2Object * v4l2object,
     gint * center)
 {
   return gst_v4l2_get_attribute (v4l2object, V4L2_CID_VCENTER, center);
 }
 
-extern gboolean
+gboolean
 gst_v4l2_video_orientation_set_hflip (GstV4l2Object * v4l2object, gboolean flip)
 {
   return gst_v4l2_set_attribute (v4l2object, V4L2_CID_HFLIP, flip);
 }
 
-extern gboolean
+gboolean
 gst_v4l2_video_orientation_set_vflip (GstV4l2Object * v4l2object, gboolean flip)
 {
   return gst_v4l2_set_attribute (v4l2object, V4L2_CID_VFLIP, flip);
 }
 
-extern gboolean
+gboolean
 gst_v4l2_video_orientation_set_hcenter (GstV4l2Object * v4l2object, gint center)
 {
   return gst_v4l2_set_attribute (v4l2object, V4L2_CID_HCENTER, center);
 }
 
-extern gboolean
+gboolean
 gst_v4l2_video_orientation_set_vcenter (GstV4l2Object * v4l2object, gint center)
 {
   return gst_v4l2_set_attribute (v4l2object, V4L2_CID_VCENTER, center);