[6937] use right name for variale with result of AC_PATH_PROG

[Gavin D. Smith]

Revision: 6937
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=6937
Author:   gavin
Date:     2016-01-13 12:50:17 +0000 (Wed, 13 Jan 2016)
Log Message:
-----------
use right name for variale with result of AC_PATH_PROG

Modified Paths:
--------------
    trunk/tp/Texinfo/Convert/XSParagraph/configure.ac

Modified: trunk/tp/Texinfo/Convert/XSParagraph/configure.ac
===================================================================
--- trunk/tp/Texinfo/Convert/XSParagraph/configure.ac   2016-01-13 12:42:48 UTC 
(rev 6936)
+++ trunk/tp/Texinfo/Convert/XSParagraph/configure.ac   2016-01-13 12:50:17 UTC 
(rev 6937)
@@ -112,7 +112,8 @@
 # A for loop doesn't work; it has to be expanded at m4 time
 
 AC_PATH_PROG([XSUBPP], [xsubpp])
-if test x$ac_cv_path_xsubpp = x ; then
+if test x$ac_cv_path_XSUBPP = x ; then
+ echo $ac_cv_path_XSUBPP
   AC_MSG_ERROR([xsubpp not found])
 fi