remove unnecessary lib/rbtree include directory

diff --git a/lib/rbtree/Makefile.am b/lib/rbtree/Makefile.am
index f7cf28e8c0981cd182f414139545be0bec37188c..378cec74632b5c4958d63f993c74f0662829828a 100644 (file)
--- a/lib/rbtree/Makefile.am
+++ b/lib/rbtree/Makefile.am
@@ -1,7 +1,7 @@
 # $Id$ $Revision$
 ## Process this file with automake to produce Makefile.in
 
-AM_CPPFLAGS = -I$(top_srcdir)
+AM_CPPFLAGS =
 
 noinst_HEADERS = red_black_tree.h stack.h
 noinst_LTLIBRARIES = librbtree_C.la