File tree-dontstrip.patch of Package tree

Index: Makefile
===================================================================
--- Makefile.orig	2011-06-24 16:25:27.000000000 +0200
+++ Makefile	2011-11-21 12:07:07.000000000 +0100
@@ -31,7 +31,8 @@ OBJS=tree.o unix.o html.o xml.o hash.o c
 
 # Linux defaults:
 #CFLAGS=-ggdb -Wall -DLINUX -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
-CFLAGS=-O4 -Wall  -DLINUX -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
+OPTFLAGS=-O4
+CFLAGS=$(OPTFLAGS) -Wall -DLINUX -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 LDFLAGS=-s
 
 # Uncomment for FreeBSD:
@@ -97,7 +98,7 @@ install: tree
 	install -d $(BINDIR)
 	install -d $(MANDIR)
 	if [ -e $(TREE_DEST) ]; then \
-		install -s $(TREE_DEST) $(BINDIR)/$(TREE_DEST); \
+		install $(TREE_DEST) $(BINDIR)/$(TREE_DEST); \
 	fi
 	install doc/$(MAN) $(MANDIR)/$(MAN)