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-rw-r--r--src/session.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/session.h b/src/session.h
index 350cf3bb..e1130e83 100644
--- a/src/session.h
+++ b/src/session.h
@@ -126,7 +126,7 @@ void session_respond (Session *session, struct pam_response *response);
void session_respond_error (Session *session, int error);
-int session_get_messages_length (Session *session);
+size_t session_get_messages_length (Session *session);
const struct pam_message *session_get_messages (Session *session);