Merge branch '4077-add-RUNTIME_CHECK-around-wrap' into 'main'

Ensure "wrap" variable is non-NULL

Closes #4077

See merge request isc-projects/bind9!7948

Author: Mno-hime

lib/isc/thread.c

@@ -57,6 +57,7 @@ struct thread_wrap {
 static struct thread_wrap *
 thread_wrap(isc_threadfunc_t func, void *arg) {
 	struct thread_wrap *wrap = malloc(sizeof(*wrap));
+	RUNTIME_CHECK(wrap != NULL);
 	*wrap = (struct thread_wrap){
 		.func = func,
 		.arg = arg,