[libgsf] OLE2: Fix another seek error check.

[Morten Welinder <mortenw src gnome org>]

commit 27fab85cfd5e3f7709232f6850a46f6ca62e6eb0
Author: Morten Welinder <terra gnome org>
Date:   Tue Jul 7 09:39:00 2015 -0400

    OLE2: Fix another seek error check.

 ChangeLog              |    4 ++++
 gsf/gsf-infile-msole.c |    3 ++-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 92d8ba4..5e37062 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2015-07-07  Morten Welinder  <terra gnome org>
+
+       * gsf/gsf-infile-msole.c (ole_seek_block): Fix seek error check.
+
 2015-07-06  Morten Welinder  <terra gnome org>
 
        * gsf/gsf-infile-msole.c (ole_init_info): Add debug code.
diff --git a/gsf/gsf-infile-msole.c b/gsf/gsf-infile-msole.c
index 400e0bb..a618246 100644
--- a/gsf/gsf-infile-msole.c
+++ b/gsf/gsf-infile-msole.c
@@ -102,6 +102,7 @@ static GsfInput *gsf_infile_msole_new_child (GsfInfileMSOle *parent,
                                             MSOleDirent *dirent, GError **err);
 static void ole_info_unref (MSOleInfo *info);
 
+/* Returns FALSE on error.  */
 static gboolean
 ole_seek_block (GsfInfileMSOle const *ole, guint32 block, gsf_off_t offset)
 {
@@ -111,7 +112,7 @@ ole_seek_block (GsfInfileMSOle const *ole, guint32 block, gsf_off_t offset)
         * header is padded out to bb.size (sector size) when bb.size > 512. */
        if (gsf_input_seek (ole->input,
                (gsf_off_t)(MAX (OLE_HEADER_SIZE, ole->info->bb.size) + (block << ole->info->bb.shift)) + 
offset,
-               G_SEEK_SET) < 0)
+               G_SEEK_SET))
                return FALSE;
 
        return TRUE;