[evolution] Don't declare x_mailer "extern" because it causes undefined symbols

[Fridrich Strba <strba src gnome org>]

commit f1deed5a6c7c2ec1fa0cd455f4ce4329164016f7
Author: Fridrich Strba <fridrich strba bluewin ch>
Date:   Wed Jun 3 19:24:38 2009 +0200

    Don't declare x_mailer "extern" because it causes undefined symbols
    while linking.
---
 mail/mail-ops.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mail/mail-ops.c b/mail/mail-ops.c
index a75d330..6bb9e05 100644
--- a/mail/mail-ops.c
+++ b/mail/mail-ops.c
@@ -72,7 +72,7 @@
 #define w(x)
 #define d(x)
 
-extern const gchar *x_mailer;
+const gchar *x_mailer;
 
 /* used for both just filtering a folder + uid's, and for filtering a whole folder */
 /* used both for fetching mail, and for filtering mail */