cosmetics: Remove period after copyright statement non-sentence.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@16919 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/dct-test.c

@@ -21,7 +21,7 @@
 
 /**
  * @file libavcodec/dct-test.c
- * DCT test. (c) 2001 Fabrice Bellard.
+ * DCT test (c) 2001 Fabrice Bellard
  * Started from sample code by Juan J. Sierralta P.
  */