[evolution-data-server] Use an enum instead of define

[Ross Burton <rburton src gnome org>]

commit 6757a57588fe504c3d72555b3d7b06ac8251871f
Author: Ross Burton <ross linux intel com>
Date:   Tue Jun 2 11:15:58 2009 +0100

    Use an enum instead of define
---
 addressbook/libedata-book/e-book-backend-sexp.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/addressbook/libedata-book/e-book-backend-sexp.c b/addressbook/libedata-book/e-book-backend-sexp.c
index 08b5b66..b4e4e5f 100644
--- a/addressbook/libedata-book/e-book-backend-sexp.c
+++ b/addressbook/libedata-book/e-book-backend-sexp.c
@@ -234,12 +234,15 @@ compare_category (EContact *contact, const gchar *str,
 	return ret_val;
 }
 
+enum prop_type {
+	PROP_TYPE_NORMAL,
+	PROP_TYPE_LIST
+};
+
 static struct prop_info {
 	EContactField field_id;
 	const gchar *query_prop;
-#define PROP_TYPE_NORMAL   0x01
-#define PROP_TYPE_LIST     0x02
-	gint prop_type;
+	enum prop_type prop_type;
 	gboolean (*list_compare)(EContact *contact, const gchar *str,
 				 gchar *(*compare)(const gchar *, const gchar *));