Rename include directory to mbedtls
diff --git a/library/memory_buffer_alloc.c b/library/memory_buffer_alloc.c
index 5eb8ab1..1d7750a 100644
--- a/library/memory_buffer_alloc.c
+++ b/library/memory_buffer_alloc.c
@@ -21,17 +21,17 @@
  */
 
 #if !defined(POLARSSL_CONFIG_FILE)
-#include "polarssl/config.h"
+#include "mbedtls/config.h"
 #else
 #include POLARSSL_CONFIG_FILE
 #endif
 
 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
-#include "polarssl/memory_buffer_alloc.h"
+#include "mbedtls/memory_buffer_alloc.h"
 
 /* No need for the header guard as POLARSSL_MEMORY_BUFFER_ALLOC_C
    is dependent upon POLARSSL_PLATFORM_C */
-#include "polarssl/platform.h"
+#include "mbedtls/platform.h"
 
 #include <string.h>
 
@@ -40,7 +40,7 @@
 #endif
 
 #if defined(POLARSSL_THREADING_C)
-#include "polarssl/threading.h"
+#include "mbedtls/threading.h"
 #endif
 
 /* Implementation that should never be optimized out by the compiler */