Fix preprocessor syntax error.
Signed-off-by: Matthias Schulz <mschulz@hilscher.com>
diff --git a/library/constant_time_impl.h b/library/constant_time_impl.h
index 74d2732..793ded4 100644
--- a/library/constant_time_impl.h
+++ b/library/constant_time_impl.h
@@ -31,7 +31,7 @@
* Disable -Wredundant-decls so that gcc does not warn about this. This is re-enabled
* at the bottom of this file.
*/
-#ifdef __GNUC__ > 4
+#if __GNUC__ > 4
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wredundant-decls"
#endif