Fix build issue do to Deprecate union wait and remove support from wait functions [BZ #19613]

| rlogin.c: In function 'catch_child':

| rlogin.c:463:13: error: storage size of 'status' isn't known

|   union wait status;

https://sourceware.org/ml/libc-alpha/2016-02/msg00342.html

Upstream-Status: Inappropriate [ no upstream maintaner ]

Signed-off-by Armin Kuster <akuster@mvista.com>

Index: netkit-rsh-0.17/rlogin/rlogin.c

===================================================================

--- netkit-rsh-0.17.orig/rlogin/rlogin.c

+++ netkit-rsh-0.17/rlogin/rlogin.c

@@ -460,7 +460,7 @@ writeroob(int ignore)

 void

 catch_child(int ignore)

 {

-	union wait status;

+	int status;

 	int pid;

 	(void)ignore;

@@ -471,7 +471,7 @@ catch_child(int ignore)

 			return;

 		/* if the child (reader) dies, just quit */

 		if (pid < 0 || (pid == childpid && !WIFSTOPPED(status)))

-			done((int)(status.w_termsig | status.w_retcode));

+            done((int)(WTERMSIG(status) | WEXITSTATUS(status)));

 	}

 	/* NOTREACHED */

 }