Fix uninitialzed warnings and implicit unlink declaration

modules/stream_out/rtp.c

@@ -25,16 +25,17 @@
  * Preamble
  *****************************************************************************/
 #include <stdlib.h>
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+#include <vlc/sout.h>
+
 #ifdef HAVE_UNISTD_H
 #   include <unistd.h>
 #endif
 
 #include <errno.h>
 
-#include <vlc/vlc.h>
-#include <vlc/input.h>
-#include <vlc/sout.h>
-
 #include "vlc_httpd.h"
 #include "vlc_url.h"
 #include "network.h"
@@ -1154,8 +1155,8 @@ static sout_stream_id_t *Add( sout_stream_t *p_stream, es_format_t *p_fmt )
             {
                 uint8_t *p_buffer = p_fmt->p_extra;
                 int     i_buffer = p_fmt->i_extra;
-                char    *p_64_sps;
-                char    *p_64_pps;
+                char    *p_64_sps = NULL;
+                char    *p_64_pps = NULL;
                 char    hexa[6];
 
                 while( i_buffer > 4 &&