[libdmapsharing] Set GError when DNSServiceBrowse fails

[W. Michael Petullo <wmpetullo src gnome org>]

commit 77cdb2422d53312f24eeeab419aff3e5f9377230
Author: W. Michael Petullo <mike flyn org>
Date:   Sun Oct 18 21:33:21 2015 -0400

    Set GError when DNSServiceBrowse fails
    
    Signed-off-by: W. Michael Petullo <mike flyn org>

 libdmapsharing/dmap-mdns-browser-dnssd.c |   18 +++++++++++++-----
 1 files changed, 13 insertions(+), 5 deletions(-)
---
diff --git a/libdmapsharing/dmap-mdns-browser-dnssd.c b/libdmapsharing/dmap-mdns-browser-dnssd.c
index c3685f9..271c38f 100644
--- a/libdmapsharing/dmap-mdns-browser-dnssd.c
+++ b/libdmapsharing/dmap-mdns-browser-dnssd.c
@@ -411,17 +411,25 @@ dmap_mdns_browser_start (DMAPMdnsBrowser * browser, GError ** error)
 
        DNSServiceErrorType browse_err = kDNSServiceErr_Unknown;
 
-       browse_err = DNSServiceBrowse (&(browser->priv->sd_browse_ref), 0,
-                                      kDNSServiceInterfaceIndexAny,
-                                      service_type_name[browser->priv->service_type], 0,
-                                      (DNSServiceBrowseReply) dns_service_browse_reply,
-                                      (void *) browser);
+       browse_err = DNSServiceBrowse (&(browser->priv->sd_browse_ref),
+                                        0,
+                                        kDNSServiceInterfaceIndexAny,
+                                        service_type_name[browser->priv->service_type],
+                                       "",
+                                       (DNSServiceBrowseReply) dns_service_browse_reply,
+                                       (void *) browser);
 
        if (kDNSServiceErr_NoError == browse_err) {
                g_debug ("*** Browse Success ****");
 
                is_success = TRUE;
                add_browse_to_event_loop (browser);
+       } else {
+               g_debug ("Error starting mDNS discovery using DNS-SD");
+                g_set_error (error,
+                             DMAP_MDNS_BROWSER_ERROR,
+                             DMAP_MDNS_BROWSER_ERROR_FAILED,
+                             "%s", "Unable to activate browser");
        }
 
        return is_success;