[evolution-data-server] Bug 778222 - Fix a build break with gperf 3.1

[Milan Crha <mcrha src gnome org>]

commit 99c6e5c5dd4445363b492314ee30431444024ab2
Author: Milan Crha <mcrha redhat com>
Date:   Mon Feb 6 18:30:49 2017 +0100

    Bug 778222 - Fix a build break with gperf 3.1

 src/camel/providers/imapx/camel-imapx-tokens.txt |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/camel/providers/imapx/camel-imapx-tokens.txt 
b/src/camel/providers/imapx/camel-imapx-tokens.txt
index ed278bd..61c7115 100644
--- a/src/camel/providers/imapx/camel-imapx-tokens.txt
+++ b/src/camel/providers/imapx/camel-imapx-tokens.txt
@@ -1,7 +1,6 @@
 /* This contains all of the keywords we care about.  These
    can be converted to an id very efficiently */
 struct _imapx_keyword {const gchar *name; camel_imapx_id_t id; };
-struct _imapx_keyword *imapx_tokenise_struct (register const char *str, register unsigned int len);
 %%
 ALERT,                 IMAPX_ALERT
 ALREADYEXISTS,         IMAPX_ALREADYEXISTS