gpg-interface: provide clear helper for struct signature_check

diff --git a/pretty.c b/pretty.c
index e1e2cad36d6d2d2773f05c6e69b0013ed8d01240..f6a0023dd2f05e3f807e857f88b6767b028f553e 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -1532,8 +1532,7 @@ void format_commit_message(const struct commit *commit,
 
        free(context.commit_encoding);
        logmsg_free(context.message, commit);
-       free(context.signature_check.gpg_output);
-       free(context.signature_check.signer);
+       signature_check_clear(&context.signature_check);
 }
 
 static void pp_header(struct pretty_print_context *pp,