curl: add support for mbedtls

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 48615

package/network/utils/curl/patches/310-polarssl-disable-runtime-version-check.patch

@@ -9,3 +9,14 @@
    return snprintf(buffer, size, "%s/%d.%d.%d",
                    version >= 0x01030A00?"mbedTLS":"PolarSSL",
                    version>>24, (version>>16)&0xff, (version>>8)&0xff);
+--- a/lib/vtls/mbedtls.c
++++ b/lib/vtls/mbedtls.c
+@@ -686,7 +686,7 @@ void Curl_mbedtls_session_free(void *ptr
+ 
+ size_t Curl_mbedtls_version(char *buffer, size_t size)
+ {
+-  unsigned int version = mbedtls_version_get_number();
++  unsigned int version = MBEDTLS_VERSION_NUMBER;
+   return snprintf(buffer, size, "mbedTLS/%d.%d.%d", version>>24,
+                   (version>>16)&0xff, (version>>8)&0xff);
+ }