[evolution-exchange] Fix compiler warning.

[Matthew Barnes <mbarnes src gnome org>]

commit 94feac25a16ed4c8d5a8c7444c60484f4ac71bf1
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sun May 23 10:25:51 2010 -0400

    Fix compiler warning.

 addressbook/e-book-backend-gal.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/addressbook/e-book-backend-gal.c b/addressbook/e-book-backend-gal.c
index f49885c..20c8079 100644
--- a/addressbook/e-book-backend-gal.c
+++ b/addressbook/e-book-backend-gal.c
@@ -2244,7 +2244,9 @@ getNextPage:
 
 	i = 0;
 	if (pagedResults) {
+#ifdef G_OS_WIN32
 		struct berval **tmpBVPtr = NULL;
+#endif
 		if (( prber = ber_alloc_t(LBER_USE_DER)) == NULL ) {
 			return;
 		}