[evolution] Bug #683758 - Crash on display meeting invite

[Milan Crha <mcrha src gnome org>]

commit b8240ebae609eb6dc21d1f5751df0ec2bf830aac
Author: Lucian Langa <lucilanga gnome org>
Date:   Tue Sep 11 17:20:55 2012 +0200

    Bug #683758 - Crash on display meeting invite

 modules/prefer-plain/e-mail-parser-prefer-plain.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/modules/prefer-plain/e-mail-parser-prefer-plain.c b/modules/prefer-plain/e-mail-parser-prefer-plain.c
index 4b6f216..5eb5e6f 100644
--- a/modules/prefer-plain/e-mail-parser-prefer-plain.c
+++ b/modules/prefer-plain/e-mail-parser-prefer-plain.c
@@ -182,7 +182,8 @@ empe_prefer_plain_parse (EMailParserExtension *extension,
 	GSList *parts;
 	CamelContentType *ct;
 	gboolean has_calendar = FALSE;
-	GSList *plain_text_parts, *plain_text_placeholder, *iter;
+	GSList *plain_text_parts, *iter;
+	GSList *plain_text_placeholder = NULL;
 
 	emp_pp = (EMailParserPreferPlain *) extension;