[plugins v2] apple-trailers: handle bad formatted runtime tag

[Víctor Manuel Jáquez Leal <vjaquez igalia com>]

Currently the returned xml file has a registry with runtime 2?18, instead of
the expected 2:18. And that bad formatting crashes the application.

Signed-off-by: Víctor Manuel Jáquez Leal <vjaquez igalia com>
---
 src/apple-trailers/grl-apple-trailers.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/apple-trailers/grl-apple-trailers.c b/src/apple-trailers/grl-apple-trailers.c
index 58d00df..6aea9a9 100644
--- a/src/apple-trailers/grl-apple-trailers.c
+++ b/src/apple-trailers/grl-apple-trailers.c
@@ -201,9 +201,12 @@ runtime_to_seconds (const gchar *runtime)
     return 0;
   }
 
+  seconds = 0;
   items = g_strsplit (runtime, ":", -1);
-  seconds = 3600 * atoi (items[0]) + 60 * atoi (items[1]);
-  g_strfreev (items);
+  if (items && items[0] && items[1]) {
+    seconds = 3600 * atoi (items[0]) + 60 * atoi (items[1]);
+    g_strfreev (items);
+  }
 
   return seconds;
 }
-- 
1.7.1