[FFmpeg-cvslog] Treat all '*.pnm' files as non-text file

[Reinhard Tartler]

ffmpeg | branch: master | Reinhard Tartler <siretart at tauware.de> | Fri Nov 28 09:52:50 2014 -0500| [0f257e29c5520b215e573e7e3abde8e5a4743309] | committer: Reinhard Tartler

Treat all '*.pnm' files as non-text file

This convinces the pre-receive hook to not consider all *.pnm files as
text files to reduce the patch sizes and avoids triggering whitespace
checks,

Contains a correction by Janne Grunau <janne-libav at jannau.net>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0f257e29c5520b215e573e7e3abde8e5a4743309
---

 .gitattributes |    1 +
 1 file changed, 1 insertion(+)

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..a900528
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.pnm -diff -text