Fixup debug.h and ssl_internal.h: Add missing include of ecdh.h
Previously, this wasn't necessary because ecdh.h was included
through ssl.h, but now that this is no longer the case (because
ssl.h doesn't use ECDH), we have to include it explicitly.
diff --git a/include/mbedtls/debug.h b/include/mbedtls/debug.h
index 0ca5a5b..41cdd34 100644
--- a/include/mbedtls/debug.h
+++ b/include/mbedtls/debug.h
@@ -36,6 +36,10 @@
#include "ecp.h"
#endif
+#if defined(MBEDTLS_ECDH_C)
+#include "ecdh.h"
+#endif
+
#if defined(MBEDTLS_DEBUG_C)
#define MBEDTLS_DEBUG_STRIP_PARENS( ... ) __VA_ARGS__