Fix race condition in quickjs build config (#251)

qjsc.com now has a -n do nothing flag so the makefile can create a
localized binary. See also #267 where we have an exciting new change
aiming to address this particular APE gotcha.

third_party/quickjs/qjsc.c

@@ -488,6 +488,7 @@ int main(int argc, char **argv)
     BOOL bignum_ext = FALSE;
 #endif
     namelist_t dynamic_module_list;
+    if (argc == 2 && !strcmp(argv[1], "-n")) return 0;
     out_filename = NULL;
     output_type = OUTPUT_EXECUTABLE;
     cname = NULL;