cosmetics: Insert empty line for readability.

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@10245 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Makefile

@@ -277,6 +277,7 @@ codectest mpeg4 mpeg ac3 snow snowll: ffmpeg$(EXESUF) tests/vsynth1/00.pgm tests
 
 libavtest: ffmpeg$(EXESUF) tests/vsynth1/00.pgm tests/asynth1.sw
 	$(SRC_PATH)/tests/regression.sh $@ $(LIBAV_REFFILE) tests/vsynth1
+
 seektest: tests/seek_test$(EXESUF)
 	$(SRC_PATH)/tests/seek_test.sh $(SEEK_REFFILE)