shithub: libmujs

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Make js_freestate() not segfault on NULL argument.

--- a/jsgc.c

+++ b/jsgc.c

@@ -225,6 +225,9 @@

 	js_Environment *env, *nextenv;

 	js_String *str, *nextstr;

+	if (!J)

+		return;

+

 	for (env = J->gcenv; env; env = nextenv)

 		nextenv = env->gcnext, jsG_freeenvironment(J, env);

 	for (fun = J->gcfun; fun; fun = nextfun)