fix: use NGX_SOCKADDR_STRLEN for portability on Windows & FreeBSD

NGX_UNIX_ADDRSTRLEN is only defined when Unix domain sockets are
supported, which excludes Windows. Use NGX_SOCKADDR_STRLEN instead
for the address text buffer in cosocket error logging, which is
defined on all platforms.

Author: zhuizhuhaomeng

src/ngx_stream_lua_socket_tcp.c

@@ -493,11 +493,11 @@ ngx_stream_lua_socket_tcp_log_error(ngx_log_t *log, u_char *buf, size_t len)
     len -= p - buf;
     if (u->peer.sockaddr != NULL) {
         int    addr_text_len;
-        u_char addr_text[NGX_UNIX_ADDRSTRLEN];
+        u_char addr_text[NGX_SOCKADDR_STRLEN];
 
         buf = p;
         addr_text_len = ngx_sock_ntop(u->peer.sockaddr, u->peer.socklen,
-                                      addr_text, NGX_UNIX_ADDRSTRLEN, 0);
+                                      addr_text, NGX_SOCKADDR_STRLEN, 0);
         p = ngx_snprintf(buf, len, "(%*s)", addr_text_len, addr_text);
         len -= p - buf;
     }

src/ngx_stream_lua_socket_udp.c

@@ -200,11 +200,11 @@ ngx_stream_lua_socket_udp_log_error(ngx_log_t *log, u_char *buf, size_t len)
     uc = &u->udp_connection;
     if (uc->sockaddr != NULL) {
         int    addr_text_len;
-        u_char addr_text[NGX_UNIX_ADDRSTRLEN];
+        u_char addr_text[NGX_SOCKADDR_STRLEN];
 
         buf = p;
         addr_text_len = ngx_sock_ntop(uc->sockaddr, uc->socklen,
-                                      addr_text, NGX_UNIX_ADDRSTRLEN, 0);
+                                      addr_text, NGX_SOCKADDR_STRLEN, 0);
         p = ngx_snprintf(buf, len, "(%*s)", addr_text_len, addr_text);
 
         len -= p - buf;