$NetBSD: patch-aj,v 1.3 2013/01/11 23:36:16 joerg Exp $

--- Menu.c.orig	1988-10-01 09:41:13.000000000 +0000
+++ Menu.c
@@ -72,6 +72,12 @@ Bool alternateGC = True;	/* true if only
 #define vfork() fork()
 #endif
 
+#ifdef X_NOT_STDC_ENV
+char *malloc();
+#endif
+
+static void AdjustMaxColors(int pixel);
+
 /* the following procedure is a copy of the implementation of system, 
  * modified to reset the handling of SIGINT, SIGQUIT, and SIGHUP before
  * exec-ing
@@ -84,6 +90,14 @@ char *s;
 	char **oldenviron;
 	extern char **environ, **newenviron;
 
+#ifdef SIGCHLD
+	/*
+	 * Children are now handled in uwm.c, but make sure
+	 * uwm blocks :-) for compatibility with other systems.
+	 */
+
+	signal(SIGCHLD, SIG_DFL);
+#endif
 	oldenviron = environ;
 	environ = newenviron;
 	if ((pid = vfork()) == 0) {
@@ -107,6 +121,9 @@ char *s;
 		status = -1;
 	signal(SIGINT, istat);
 	signal(SIGQUIT, qstat);
+#ifdef SIGCHLD
+	clear_children();
+#endif
 	return(status);
 }
 
@@ -129,7 +146,6 @@ MenuInfo *menu;
     char *hlname;			/* Pointer to hi-liter name. */
     char *strbuf;			/* String buffer for IsTextNL. */
     Bool checkMotion = TRUE;		/* To Restore Cursor Position */
-    char *malloc();
     int funcbutton;			/* function button for window select */
 
     /*
@@ -697,8 +713,7 @@ MenuInfo *menu;
  * Decrement "MaxColors" if this pixel value has never been used in a
  * menu before.
  */
-AdjustMaxColors(pixel)
-int pixel;
+static void AdjustMaxColors(int pixel)
 {
     register MenuLink *mptr;
     register MenuLine *lptr;