Fix lzo-test linking: -llzo2 should be in ELIBS, not EXTRALIBS.

Originally committed as revision 18320 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavutil/Makefile

@@ -47,4 +47,4 @@ DIRS = arm bfin sh4 x86
 
 include $(SUBDIR)../subdir.mak
 
-$(SUBDIR)lzo-test$(EXESUF): EXTRALIBS += -llzo2
+$(SUBDIR)lzo-test$(EXESUF): ELIBS = -llzo2