update SDL soruce to 2.0.14

Edward Rudd

2021-06-15 dec7875a6e23212021e4d9080330a42832dfe02a

 source/test/testautomation.c

@@ -62,7 +62,7 @@
            }
            else if (SDL_strcasecmp(argv[i], "--execKey") == 0) {
                if (argv[i + 1]) {
                    SDL_sscanf(argv[i + 1], "%"SDL_PRIu64, (long long unsigned int *)&userExecKey);
                    SDL_sscanf(argv[i + 1], "%"SDL_PRIu64, &userExecKey);
                    consumed = 2;
                }
            }