s3-winbind: Make sure we crash if domain is really not found.

Found by clang-analyzer.

diff --git a/nsswitch/pam_winbind.c b/nsswitch/pam_winbind.c
index f13e365b87cab40d908fbc2694f8af1446c42ed1..b2d74dec4b18bae363b31a9ac0b4a3c9548a9b66 100644 (file)
--- a/nsswitch/pam_winbind.c
+++ b/nsswitch/pam_winbind.c
@@ -2422,7 +2422,7 @@ static char* winbind_upn_to_username(struct pwb_context *ctx,
        wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
        struct wbcDomainSid sid;
        enum wbcSidType type;
-       char *domain;
+       char *domain = NULL;
        char *name;
        char *p;