Sync with NetBSD rev. 1.10

Coverity CID 2276: Don't leak memory on error.

MFC after:    1 month

lib/libc/rpc/getnetpath.c

@@ -100,6 +100,7 @@ setnetpath()
 	return (NULL);
     }
     if ((np_sessionp->nc_handlep = setnetconfig()) == NULL) {
+	free(np_sessionp);
 	syslog (LOG_ERR, "rpc: failed to open " NETCONFIG);
 	return (NULL);
     }