[FFmpeg-cvslog] Update bunch of versions to 4.0

[Michael Niedermayer]

ffmpeg | branch: release/4.0 | Michael Niedermayer <michael at niedermayer.cc> | Mon Apr 16 12:42:29 2018 +0200| [b42e135614df4b1f4cec312f7b3125a245b12b3a] | committer: Michael Niedermayer

Update bunch of versions to 4.0

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b42e135614df4b1f4cec312f7b3125a245b12b3a
---

 RELEASE      | 2 +-
 doc/Doxyfile | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/RELEASE b/RELEASE
index 9b601acc0d..5186d07068 100644
--- a/RELEASE
+++ b/RELEASE
@@ -1 +1 @@
-3.4.git
+4.0
diff --git a/doc/Doxyfile b/doc/Doxyfile
index 0891899505..ccec314d3e 100644
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -38,7 +38,7 @@ PROJECT_NAME           = FFmpeg
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         =
+PROJECT_NUMBER         = 4.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a