include compat_compiler for ed25519_donna

diff --git a/src/ext/ed25519/donna/ed25519_tor.c b/src/ext/ed25519/donna/ed25519_tor.c
index 7f5ab398d8d35d831c06b0b4a2e54ab08cbdb69f..a5bb6f4e21fe276e7d04c848f6377e8b27c5d326 100644 (file)
--- a/src/ext/ed25519/donna/ed25519_tor.c
+++ b/src/ext/ed25519/donna/ed25519_tor.c
@@ -35,6 +35,9 @@
 #define ED25519_FN(fn)         ED25519_FN2(fn,ED25519_SUFFIX)
 
 #include "orconfig.h"
+
+#include "lib/cc/compat_compiler.h"
+
 #include "ed25519-donna.h"
 #include "ed25519_donna_tor.h"
 #include "ed25519-randombytes.h"
@@ -366,4 +369,3 @@ ed25519_donna_scalarmult_with_group_order(unsigned char *out,
 }
 
 #include "test-internals.c"
-