Rename include directory to mbedtls
diff --git a/library/ssl_cookie.c b/library/ssl_cookie.c
index 4f8ad68..c2fde82 100644
--- a/library/ssl_cookie.c
+++ b/library/ssl_cookie.c
@@ -25,17 +25,17 @@
  */
 
 #if !defined(POLARSSL_CONFIG_FILE)
-#include "polarssl/config.h"
+#include "mbedtls/config.h"
 #else
 #include POLARSSL_CONFIG_FILE
 #endif
 
 #if defined(POLARSSL_SSL_COOKIE_C)
 
-#include "polarssl/ssl_cookie.h"
+#include "mbedtls/ssl_cookie.h"
 
 #if defined(POLARSSL_PLATFORM_C)
-#include "polarssl/platform.h"
+#include "mbedtls/platform.h"
 #else
 #define polarssl_malloc     malloc
 #define polarssl_free       free