Suppress valgrind error from g_file_new_for_path.
Suppress valgrind error from g_file_new_for_path.

This appears to be a false positive, and valgrind just says it is
"possibly" lost anyway.

Signed-off-by: Patrick Vacek <a38520cbbe2e974bc8b7ea86877dd3c7115ca2d7@gmail.com>

advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp