netem source file reorg

(Logical change 1.141)
diff --git a/Makefile b/Makefile
index e0ae5d6..6c71017 100644
--- a/Makefile
+++ b/Makefile
@@ -26,7 +26,7 @@
 
 LDLIBS += -L../lib -lnetlink -lutil
 
-SUBDIRS=lib ip tc misc
+SUBDIRS=lib ip tc misc netem
 
 LIBNETLINK=../lib/libnetlink.a ../lib/libutil.a