[evolution-mapi] Fix minor compiler warning caused by conditional compilation

[Milan Crha <mcrha src gnome org>]

commit 58bf9e28786e5833b8353ae5295d6fa1fbe87d3f
Author: Milan Crha <mcrha redhat com>
Date:   Thu Dec 8 14:32:08 2011 +0100

    Fix minor compiler warning caused by conditional compilation

 src/addressbook/e-book-backend-mapi.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/addressbook/e-book-backend-mapi.c b/src/addressbook/e-book-backend-mapi.c
index c344310..a63fbe8 100644
--- a/src/addressbook/e-book-backend-mapi.c
+++ b/src/addressbook/e-book-backend-mapi.c
@@ -2123,7 +2123,6 @@ term_eval_not (struct _ESExp *f,
 	       struct _ESExpResult **argv,
 	       gpointer user_data)
 {
-	struct EMapiSExpParserData *esp = user_data;
 	ESExpResult *r;
 
 	r = e_sexp_result_new (f, ESEXP_RES_INT);
@@ -2131,9 +2130,10 @@ term_eval_not (struct _ESExp *f,
 
 	#ifdef HAVE_RES_NOT_SUPPORTED
 	if (argc == 1 && argv[0]->type == ESEXP_RES_INT) {
+		struct EMapiSExpParserData *esp = user_data;
 		gint idx = argv[0]->value.number;
 
-		if (idx >= 0 && idx < esp->res_parts->len) {
+		if (esp && idx >= 0 && idx < esp->res_parts->len) {
 			struct mapi_SRestriction *res = talloc_zero (esp->mem_ctx, struct mapi_SRestriction);
 			g_return_val_if_fail (res != NULL, NULL);