Replace magic number with proper constant

alexforencich · alexforencich · commit 5ab99e36e5bc · 2016-01-01T18:15:10.000-08:00
diff --git a/vxi11/rpc.py b/vxi11/rpc.py
@@ -722,7 +722,7 @@ def forksession(self, connection):
         # Wait for deceased children
         try:
             while 1:
-                pid, sts = os.waitpid(0, 1)
+                pid, sts = os.waitpid(0, os.WNOHANG)
         except os.error:
             pass
         pid = None
