Rename include directory to mbedtls
diff --git a/library/ecdh.c b/library/ecdh.c
index 82fff27..5866c44 100644
--- a/library/ecdh.c
+++ b/library/ecdh.c
@@ -28,14 +28,14 @@
  */
 
 #if !defined(POLARSSL_CONFIG_FILE)
-#include "polarssl/config.h"
+#include "mbedtls/config.h"
 #else
 #include POLARSSL_CONFIG_FILE
 #endif
 
 #if defined(POLARSSL_ECDH_C)
 
-#include "polarssl/ecdh.h"
+#include "mbedtls/ecdh.h"
 
 #include <string.h>