[gnumeric] sc: Fix ABW.

[Morten Welinder <mortenw src gnome org>]

commit 0cbd7a357145b8e1de65aefcecdc4b22b3a9565c
Author: Morten Welinder <terra gnome org>
Date:   Mon May 11 19:28:15 2015 -0400

    sc: Fix ABW.

 NEWS                 |    2 +-
 plugins/sc/ChangeLog |    4 ++++
 plugins/sc/sc.c      |    2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index db79807..78bc63d 100644
--- a/NEWS
+++ b/NEWS
@@ -16,7 +16,7 @@ Morten:
        * Plug leaks.
        * Fuzzed file fixes.  [#748595] [#748597] [#749031] [#749030]
          [#749069] [#748533] [#749118] [#749166] [#749181] [#749184]
-         [#749236]
+         [#749236] [#749240]
        * Make solver check linearity of model.
        * Fix xls saving of marker style.  [#749185]
 
diff --git a/plugins/sc/ChangeLog b/plugins/sc/ChangeLog
index 711ab43..ee8ade0 100644
--- a/plugins/sc/ChangeLog
+++ b/plugins/sc/ChangeLog
@@ -1,3 +1,7 @@
+2015-05-11  Morten Welinder  <terra gnome org>
+
+       * sc.c (sc_parse_label): Single quote is no good.  Fixes #749240.
+
 2015-04-16  Morten Welinder <terra gnome org>
 
        * Release 1.12.22
diff --git a/plugins/sc/sc.c b/plugins/sc/sc.c
index 21243fb..fb6c81a 100644
--- a/plugins/sc/sc.c
+++ b/plugins/sc/sc.c
@@ -583,7 +583,7 @@ sc_parse_label (ScParseState *state, char const *cmd, char const *str,
 
        g_return_val_if_fail (str, FALSE);
 
-       if (*str != '"')
+       if (*str != '"' || str[1] == 0)
                goto err_out;
 
        s = tmpout = g_strdup (str);