Fix up build issue when running cpp tests

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/12334)

diff --git a/include/openssl/fipskey.h.in b/include/openssl/fipskey.h.in
index 2b7568c28470706daf105a920e50913e582bfdb4..eaa1798772e98ceab2d1e566d486ed893f6d1edc 100644 (file)
--- a/include/openssl/fipskey.h.in
+++ b/include/openssl/fipskey.h.in
@@ -27,4 +27,8 @@ extern "C" {
  */
 #define FIPS_KEY_STRING "{- $config{FIPSKEY} -}"
 
+# ifdef  __cplusplus
+}
+# endif
+
 #endif