Makefile update

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/Makefile.solaris b/Makefile.solaris
index f7235db..fd1029b 100644
--- a/Makefile.solaris
+++ b/Makefile.solaris
@@ -35,7 +35,7 @@
 all: $(PROGS) $(SCRIPTS)
 
 clean:
-	-rm -f *.o .depend cscope.out $(PROGS) engines/*.o crc/*.o lib/*.o core.* core
+	-rm -f .depend cscope.out $(OBJS) $(PROGS) core.* core
 
 cscope:
 	@cscope -b