Use the semantic patch to change the usage isc_mem_create() to new API

bin/tests/optional/sig0_test.c

@@ -207,7 +207,7 @@ main(int argc, char *argv[]) {
 	isc_mutex_init(&lock);
 
 	mctx = NULL;
-	RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
+	isc_mem_create(&mctx);
 
 	while ((ch = isc_commandline_parse(argc, argv, "vp:")) != -1) {
 		switch (ch) {