updated for version 7.2.371

Problem:    Build problems on Tandem NonStop.
Solution:   A few changes to #ifdefs (Joachim Schmitz)

src/if_cscope.c

@@ -2278,7 +2278,11 @@ cs_release_csp(i, freefnpp)
 	/* Use sigaction() to limit the waiting time to two seconds. */
 	sigemptyset(&sa.sa_mask);
 	sa.sa_handler = sig_handler;
+#  ifdef SA_NODEFER
 	sa.sa_flags = SA_NODEFER;
+#  else
+	sa.sa_flags = 0;
+#  endif
 	sigaction(SIGALRM, &sa, &old);
 	alarm(2); /* 2 sec timeout */