[PATCH] Fix problem with fetching 0.vcf vCard entry

Previously after attempting to get single 0.vcf vCard entry from phonebook
("telecom/pb/0.vcf") "Not Found" status was received and this entry wasn't
downloaded. Now "OK" status is received and valid 0.vcf vCard entry is
downloaded.
---
 plugins/phonebook-tracker.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/plugins/phonebook-tracker.c b/plugins/phonebook-tracker.c
index 20053f6..a6b9e72 100644
--- a/plugins/phonebook-tracker.c
+++ b/plugins/phonebook-tracker.c

@@ -943,7 +943,7 @@
 	"nco:phoneNumber(?t) \"NOTACALL\" \"false\" \"false\" <%s> "	\
 	"WHERE { "							\
 		"<%s> a nco:Contact . "					\
-		"<%s> nco:hasPhoneNumber ?t . "				\
+		"OPTIONAL { <%s> nco:hasPhoneNumber ?t . } "		\
 	"} "
 
 #define CONTACTS_COUNT_QUERY						\

-- 
1.6.3.3