[gnumeric] HYPERLINK: fix argument types.

[Morten Welinder <mortenw src gnome org>]

commit 71de21ca1ba55dcb841679424c999b784264b3c6
Author: Morten Welinder <terra gnome org>
Date:   Mon Oct 21 15:46:24 2013 -0400

    HYPERLINK: fix argument types.

 plugins/fn-lookup/ChangeLog   |    5 +++++
 plugins/fn-lookup/functions.c |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/plugins/fn-lookup/ChangeLog b/plugins/fn-lookup/ChangeLog
index 0b3e01f..e4437a7 100644
--- a/plugins/fn-lookup/ChangeLog
+++ b/plugins/fn-lookup/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-21  Morten Welinder  <terra gnome org>
+
+       * functions.c (hyperlink): scalar, not string type, arguments.
+       See bug 81718.
+
 2013-10-07  Morten Welinder <terra gnome org>
 
        * Release 1.12.8
diff --git a/plugins/fn-lookup/functions.c b/plugins/fn-lookup/functions.c
index c7ce7f9..f1eed50 100644
--- a/plugins/fn-lookup/functions.c
+++ b/plugins/fn-lookup/functions.c
@@ -1909,7 +1909,7 @@ GnmFuncDescriptor const lookup_functions[] = {
        { "hlookup",   "EAf|bb",
          help_hlookup, gnumeric_hlookup, NULL, NULL, NULL,
          GNM_FUNC_SIMPLE, GNM_FUNC_IMPL_STATUS_COMPLETE, GNM_FUNC_TEST_STATUS_BASIC },
-       { "hyperlink", "s|s",
+       { "hyperlink", "S|S",
          help_hyperlink, gnumeric_hyperlink, NULL, NULL, NULL,
          GNM_FUNC_SIMPLE, GNM_FUNC_IMPL_STATUS_SUBSET, GNM_FUNC_TEST_STATUS_BASIC },
        { "indirect",  "s|b",