[6962] clear cache variable with unset

[Gavin D. Smith]

Revision: 6962
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=6962
Author:   gavin
Date:     2016-01-25 07:07:36 +0000 (Mon, 25 Jan 2016)
Log Message:
-----------
clear cache variable with unset

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

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2016-01-23 16:14:52 UTC (rev 6961)
+++ trunk/ChangeLog     2016-01-25 07:07:36 UTC (rev 6962)
@@ -1,3 +1,8 @@
+2016-01-25  Gavin Smith  <address@hidden>
+
+       * tp/Texinfo/Convert/XSParagraph/configure.ac: Clear cache 
+       variable with 'unset'.
+
 2016-01-23  Gavin Smith  <address@hidden>
 
        * tp/Texinfo/Convert/Paragraph.pm: Check if using Windows, and 

Modified: trunk/tp/Texinfo/Convert/XSParagraph/configure.ac
===================================================================
--- trunk/tp/Texinfo/Convert/XSParagraph/configure.ac   2016-01-23 16:14:52 UTC 
(rev 6961)
+++ trunk/tp/Texinfo/Convert/XSParagraph/configure.ac   2016-01-25 07:07:36 UTC 
(rev 6962)
@@ -71,7 +71,7 @@
   CC=$conf_value
 
   # Wipe the cache value in case -C was given at the top level
-  ac_cv_prog_CC=
+  ac_cv_prog_CC= ; unset ac_cv_prog_CC
 fi
 
 AC_PROG_CC