[SCM] libav/experimental: Document sws_freeContext().

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 2e0a80a12870948397a2dfea48788be4586f83b0
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Sat Nov 7 09:23:11 2009 +0000

    Document sws_freeContext().
    
    Originally committed as revision 29844 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

diff --git a/libswscale/swscale.h b/libswscale/swscale.h
index abc23fc..9a088af 100644
--- a/libswscale/swscale.h
+++ b/libswscale/swscale.h
@@ -112,6 +112,10 @@ typedef struct {
 
 struct SwsContext;
 
+/**
+ * Frees the swscaler context swsContext.
+ * If swsContext is NULL, then does nothing.
+ */
 void sws_freeContext(struct SwsContext *swsContext);
 
 /**

-- 
Libav/FFmpeg packaging