Checked in obvious fix to configure.host

[Christopher Faylor]

The below fix solves a problem with missing Cygwin header files.

Checked in as obvious.

cgf

2012-02-15  Christopher Faylor  <me.newlib2012@cgf.cx>

	* configure.host: Fix typo: xdir_dir -> xdr_dir.

Index: configure.host
===================================================================
RCS file: /cvs/uberbaum/newlib/configure.host,v
retrieving revision 1.122
diff -d -u -p -r1.122 configure.host
--- configure.host	29 Nov 2011 06:33:48 -0000	1.122
+++ configure.host	15 Feb 2012 18:31:07 -0000
@@ -788,7 +788,7 @@ if [ "x${newlib_atexit_dynamic_alloc}" =
 fi
 
 # Remove rpc headers if xdr_dir not specified
-if [ "x${xdir_dir}" = "x" ]; then
+if [ "x${xdr_dir}" = "x" ]; then
 	noinclude="${noinclude} rpc/types.h rpc/xdr.h"
 fi