auth: oauth2 mechanism: Fixed implicit boolean expression involving a pointer.

Found with Clang -Wstrict-bool.

diff --git a/src/auth/mech-oauth2.c b/src/auth/mech-oauth2.c
index 5e024d4a7fa1a6d4723512d47a808ae8fe4bf1b5..ef4a025389118911caa548dc72aa315e85f87807 100644 (file)
--- a/src/auth/mech-oauth2.c
+++ b/src/auth/mech-oauth2.c
@@ -54,7 +54,7 @@ static void oauth2_verify_callback(enum passdb_result result,
                break;
        default:
                /* we could get new token after this */
-               if (request->mech_password)
+               if (request->mech_password != NULL)
                        request->mech_password = NULL;
                auth_request_handler_reply_continue(request, error, strlen(error));
                oauth2_req->failed = TRUE;