ar -s has portability problems, anyway rc is enough without s -- suggested by Atmosfear

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@437 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/Makefile

@@ -71,7 +71,7 @@ tests: apiexample cpuid_test $(TESTS)
 
 $(LIB): $(OBJS) $(ASM_OBJS)
 	rm -f $@
-	$(AR) rcs $@ $(OBJS) $(ASM_OBJS)
+	$(AR) rc $@ $(OBJS) $(ASM_OBJS)
 
 $(SLIB): $(OBJS) $(ASM_OBJS)
 	rm -f $@