[yelp-tools] yelp.m4: Use AS_HELP_STRING instead of AC_HELP_STRING, #709657

[Shaun McCance <shaunm src gnome org>]

commit 960e74869e67ec49d6c8fc3d12635e8906205172
Author: Shaun McCance <shaunm gnome org>
Date:   Sun Feb 2 14:28:16 2014 -0500

    yelp.m4: Use AS_HELP_STRING instead of AC_HELP_STRING, #709657

 tools/yelp.m4 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tools/yelp.m4 b/tools/yelp.m4
index cfb07e1..96acadb 100644
--- a/tools/yelp.m4
+++ b/tools/yelp.m4
@@ -21,7 +21,7 @@ AC_SUBST([YELP_LC_MEDIA_LINKS])
 AC_SUBST([YELP_LC_DIST])
 
 AC_ARG_WITH([help-dir],
-            AC_HELP_STRING([--with-help-dir=DIR],
+            AS_HELP_STRING([--with-help-dir=DIR],
                            [path where help files are installed]),,
             [with_help_dir='${datadir}/help'])
 HELP_DIR="$with_help_dir"