include "tomcrypt.h", not <tomcrypt.h>

we want to include the local version of the header, not the system-version

src/misc/hkdf/hkdf.c

@@ -11,7 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include <tomcrypt.h>
+#include "tomcrypt.h"
 
 #ifdef LTC_HKDF
 

src/misc/pkcs5/pkcs_5_1.c

@@ -6,7 +6,7 @@
  * The library is free for all purposes without any express
  * guarantee it works.
  */
-#include <tomcrypt.h>
+#include "tomcrypt.h"
 
 /**
    @file pkcs_5_1.c

src/misc/pkcs5/pkcs_5_2.c

@@ -6,7 +6,7 @@
  * The library is free for all purposes without any express
  * guarantee it works.
  */
-#include <tomcrypt.h>
+#include "tomcrypt.h"
 
 /**
    @file pkcs_5_2.c