ports/170626: x11-toolkits/open-motif: X11/extensions/XPrint.h is not detected by configure

[Marcin Cieslak]

The following patch seems to address this issue:

--- configure.orig	2010-03-12 15:44:09.000000000 +0100
+++ configure	2012-08-12 18:33:49.000000000 +0200
@@ -19054,6 +19054,7 @@
   { $as_echo "$as_me:$LINENO: checking for libXp" >&5
 $as_echo_n "checking for libXp... " >&6; }
 
+CPPFLAGS="$CPPFLAGS -I$x_includes"
 for ac_header in X11/extensions/Print.h
 do
 as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`