[gmime: 9/12] Fixed error check for open()

[Jeffrey Stedfast <fejj src gnome org>]

commit fd5ac52beb5a2d9a8f7d077c434793d88db4ccae
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Thu Apr 6 17:16:31 2017 -0400

    Fixed error check for open()

 examples/imap-example.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/examples/imap-example.c b/examples/imap-example.c
index 675a6ce..711b7c7 100644
--- a/examples/imap-example.c
+++ b/examples/imap-example.c
@@ -781,7 +781,7 @@ reconstruct_message_part (GMimeMessagePart *msgpart, const char *uid, const char
        int fd;
        
        filename = g_strdup_printf ("%s/%s.TEXT", uid, spec);
-       if ((fd = open (filename, O_RDONLY, 0))) {
+       if ((fd = open (filename, O_RDONLY, 0)) == -1) {
                g_mime_message_part_set_message (msgpart, NULL);
                g_free (filename);
                return;