tdeprint: Use 'httpGetAddress' for 'httpAddrLocalhost' on cups >= 2.0.

This relates to issue #268.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit cfbeb5efe9)

tdeprint/cups/cupsdconf2/cups-util.c

@@ -513,13 +513,23 @@ cups_local_auth(http_t *http)	/* I - Connection */
   * See if we are accessing localhost...
 	the struct has changed in newer versions - PiggZ (adam@piggz.co.uk)
   */
-#if CUPS_VERSION_MAJOR > 1 || (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR >= 2)
-        if (!httpAddrLocalhost(http))
+#if (CUPS_VERSION_MAJOR >= 2)
+	if (!httpAddrLocalhost(httpGetAddress(http)))
+	{
+		return (0);
+	}
+#elif CUPS_VERSION_MAJOR > 1 || (CUPS_VERSION_MAJOR == 1 && CUPS_VERSION_MINOR >= 2)
+	if (!httpAddrLocalhost(http))
+	{
+		return (0);
+	}
 #else
 	if (ntohl(*(int*)&http->hostaddr.sin_addr) != 0x7f000001 &&
-      strcasecmp(http->hostname, "localhost") != 0)
+	    strcasecmp(http->hostname, "localhost") != 0)
+	{
+		return (0);
+	}
 #endif
-   return (0);
 
  /*
   * Try opening a certificate file for this PID.  If that fails,