drms: Fix a pointer to int comparison.

diff --git a/modules/demux/mp4/drms.c b/modules/demux/mp4/drms.c
index ca4d9c63982b4456f09903aaf171d09924a94e0e..7f09662628a5dfb08eabec8c0a47503b51344338 100644 (file)
--- a/modules/demux/mp4/drms.c
+++ b/modules/demux/mp4/drms.c
@@ -2004,7 +2004,7 @@ static int GetiPodID( int64_t *p_ipod_id )
             if( IOServiceGetMatchingServices( port, match_dic,
                                               &iterator ) == KERN_SUCCESS )
             {
-                while( ( device = IOIteratorNext( iterator ) ) != NULL )
+                while( ( device = IOIteratorNext( iterator ) ) != 0 )
                 {
                     value = IORegistryEntryCreateCFProperty( device,
                         CFSTR("GUID"), kCFAllocatorDefault, kNilOptions );