New function: tree(), simple /bin/tree replacement.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

Makefile

@@ -35,7 +35,7 @@ DISTFILES   = README LICENSE
 HEADERS     = lite.h
 OBJS       := chomp.o copyfile.o dir.o fexist.o fisdir.o fmode.o fsendfile.o
 OBJS       += ifconfig.o makepath.o pidfile.o pidfilefn.o rsync.o
-OBJS       += strlcpy.o strlcat.o strtonum.o tempfile.o
+OBJS       += strlcpy.o strlcat.o strtonum.o tempfile.o tree.o
 DEPS       := $(OBJS:.o=.d)
 JUNK        = *~ *.bak *.map .*.d *.d DEADJOE semantic.cache *.gdb *.elf core core.*
 
@@ -61,6 +61,7 @@ test: clean
 	$(MAKE) -f pidfilefn.mk
 	$(MAKE) -f rsync.mk
 	$(MAKE) -f tempfile.mk
+	$(MAKE) -f tree.mk
 
 $(OBJS): Makefile