Fix FTBFS with GCC 12 on ppc64el
GCC 12 on ppc64el complains about "key" being undefined on testapp.c.
This commit silences the error.
@@ -2013,7 +2013,7 @@ static void *binary_hickup_recv_verification_thread(void *arg) {
static enum test_return test_binary_pipeline_hickup_chunk(void *buffer, size_t buffersize) {
off_t offset = 0;
- char *key[256];
+ char *key[256] = { NULL };
uint64_t value = 0xfeedfacedeadbeef;
while (hickup_thread_running &&
