avserver: use socklen_t where appropriate

Various socket functions expect a pointer to socklen_t which is not
necessarily int.
Signed-off-by: Mans Rullgard <mans@mansr.com>

avserver.c

@@ -799,7 +799,8 @@ static void http_send_too_busy_reply(int fd)
 static void new_connection(int server_fd, int is_rtsp)
 {
     struct sockaddr_in from_addr;
-    int fd, len;
+    socklen_t len;
+    int fd;
     HTTPContext *c = NULL;
 
     len = sizeof(from_addr);
@@ -1717,7 +1718,8 @@ static int http_parse_request(HTTPContext *c)
                     case REDIR_SDP:
                         {
                             uint8_t *sdp_data;
-                            int sdp_data_size, len;
+                            int sdp_data_size;
+                            socklen_t len;
                             struct sockaddr_in my_addr;
 
                             q += snprintf(q, c->buffer_size,
@@ -2991,7 +2993,8 @@ static void rtsp_cmd_describe(HTTPContext *c, const char *url)
     char path1[1024];
     const char *path;
     uint8_t *content;
-    int content_length, len;
+    int content_length;
+    socklen_t len;
     struct sockaddr_in my_addr;
 
     /* find which url is asked */