Dont fork on OSX

Author: Meatballs1

data/meterpreter/meterpreter.py

@@ -749,7 +749,7 @@ def create_response(self, request):
 		resp = struct.pack('>I', len(resp) + 4) + resp
 		return resp
 
-if not hasattr(os, 'fork') or (hasattr(os, 'fork') and os.fork() == 0):
+if not hasattr(os, 'fork') or has_osxsc or (hasattr(os, 'fork') and os.fork() == 0):
 	if hasattr(os, 'setsid'):
 		try:
 			os.setsid()