Fix potential memleaks.

(cherry picked from commit 3f7a8904)
Signed-off-by: Derk-Jan Hartman <hartman@videolan.org>

modules/demux/playlist/sgimb.c

@@ -211,6 +211,7 @@ static int ParseLine ( demux_t *p_demux, char *psz_line )
     if( !strncasecmp( psz_bol, "rtsp://", sizeof("rtsp://") - 1 ) )
     {
         /* We found the link, it was inside a sgiQTFileBegin */
+        free( p_sys->psz_uri );
         p_sys->psz_uri = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "Stream=\"", sizeof("Stream=\"") - 1 ) )
@@ -230,31 +231,37 @@ static int ParseLine ( demux_t *p_demux, char *psz_line )
             psz_bol[2] = 's';
             psz_bol[3] = 'p';
         }
+        free( p_sys->psz_uri );
         p_sys->psz_uri = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "sgiNameServerHost=", sizeof("sgiNameServerHost=") - 1 ) )
     {
         psz_bol += sizeof("sgiNameServerHost=") - 1;
+        free( p_sys->psz_server );
         p_sys->psz_server = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "sgiMovieName=", sizeof("sgiMovieName=") - 1 ) )
     {
         psz_bol += sizeof("sgiMovieName=") - 1;
+        free( p_sys->psz_location );
         p_sys->psz_location = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "sgiUserAccount=", sizeof("sgiUserAccount=") - 1 ) )
     {
         psz_bol += sizeof("sgiUserAccount=") - 1;
+        free( p_sys->psz_user );
         p_sys->psz_user = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "sgiUserPassword=", sizeof("sgiUserPassword=") - 1 ) )
     {
         psz_bol += sizeof("sgiUserPassword=") - 1;
+        free( p_sys->psz_password );
         p_sys->psz_password = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "sgiShowingName=", sizeof("sgiShowingName=") - 1 ) )
     {
         psz_bol += sizeof("sgiShowingName=") - 1;
+        free( p_sys->psz_name );
         p_sys->psz_name = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "sgiFormatName=", sizeof("sgiFormatName=") - 1 ) )
@@ -266,6 +273,7 @@ static int ParseLine ( demux_t *p_demux, char *psz_line )
     else if( !strncasecmp( psz_bol, "sgiMulticastAddress=", sizeof("sgiMulticastAddress=") - 1 ) )
     {
         psz_bol += sizeof("sgiMulticastAddress=") - 1;
+        free( p_sys->psz_mcast_ip );
         p_sys->psz_mcast_ip = strdup( psz_bol );
     }
     else if( !strncasecmp( psz_bol, "sgiMulticastPort=", sizeof("sgiMulticastPort=") - 1 ) )