[plugins] 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 |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/apple-trailers/grl-apple-trailers.c b/src/apple-trailers/grl-apple-trailers.c
index 58d00df..418f08b 100644
--- a/src/apple-trailers/grl-apple-trailers.c
+++ b/src/apple-trailers/grl-apple-trailers.c
@@ -201,8 +201,10 @@ runtime_to_seconds (const gchar *runtime)
     return 0;
   }
 
-  items = g_strsplit (runtime, ":", -1);
-  seconds = 3600 * atoi (items[0]) + 60 * atoi (items[1]);
+  seconds = 0;
+  items = g_strsplit (runtime, ":?", -1);
+  if (items && items[0] && items[1])
+    seconds = 3600 * atoi (items[0]) + 60 * atoi (items[1]);
   g_strfreev (items);
 
   return seconds;
-- 
1.7.1