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

bin/dnssec/dnssec-signzone.c

@@ -3230,9 +3230,7 @@ main(int argc, char *argv[]) {
 
 	check_result(isc_app_start(), "isc_app_start");
 
-	result = isc_mem_create(0, 0, &mctx);
-	if (result != ISC_R_SUCCESS)
-		fatal("out of memory");
+	isc_mem_create(&mctx);
 
 #if USE_PKCS11
 	pk11_result_register();