Fixed usage of sigaction. Previous way did not work for MAC

mediachanger/castorrmc/common/Cinitdaemon.c

@@ -38,9 +38,9 @@ int Cinitdaemon(char *name,
         for (c = 3; c < maxfds; c++)
                 close (c);
         if ( wait4child != NULL ) {
+                memset(&sa, 0, sizeof(sa));
                 sa.sa_handler = wait4child;
                 sa.sa_flags = SA_RESTART;
-                sa.sa_restorer = NULL;
                 sigaction (SIGCHLD, &sa, NULL);
         }
         return (maxfds);

mediachanger/castorrmc/common/socket_timeout.c

@@ -301,10 +301,9 @@ Sigfunc *_netsignal(int signo,
 	struct sigaction	act, oact;
 	int n = 0;
 
+        memset(&act, 0, sizeof(act));
 	act.sa_handler = func;
 	sigemptyset(&act.sa_mask);
-	act.sa_flags = 0;
-	act.sa_restorer = NULL;
 	if (signo == SIGALRM) {
 #ifdef	SA_INTERRUPT
 		act.sa_flags |= SA_INTERRUPT;	/* SunOS 4.x */