[gupnp-av] Fix crash introduced in previous patch

[Jens Georg <jensgeorg src gnome org>]

commit 6146a22540bd6c0da098ca9435afab30bbc7cba3
Author: Jens Georg <mail jensge org>
Date:   Tue Mar 20 22:47:22 2012 +0100

    Fix crash introduced in previous patch

 libgupnp-av/gupnp-didl-lite-object.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libgupnp-av/gupnp-didl-lite-object.c b/libgupnp-av/gupnp-didl-lite-object.c
index 0d60547..fc59da1 100644
--- a/libgupnp-av/gupnp-didl-lite-object.c
+++ b/libgupnp-av/gupnp-didl-lite-object.c
@@ -762,7 +762,7 @@ is_resource_compatible (GUPnPDIDLLiteResource *resource,
         protocols = g_strsplit (sink_protocol_info, ",", 0);
 
 
-        for (it = protocols; it != NULL && !ret; it++) {
+        for (it = protocols; *it != NULL && !ret; it++) {
                 GUPnPProtocolInfo *info;
                 GUPnPProtocolInfo *res_info;