$OpenBSD: patch-src_TextField_c,v 1.3 2016/01/28 13:30:02 sthen Exp $
--- src/TextField.c.orig	Tue Apr  4 16:05:36 2000
+++ src/TextField.c	Thu Jan 28 13:29:42 2016
@@ -3437,9 +3437,9 @@ TextFieldWidget tfw=(TextFieldWidget)w;
 		/* need to copy it first */
 		strncpy(TF.buffer,TF.backup,TF.maxlen);
 		TF.buffer[TF.maxlen-1]=0;
-		XtVaSetValues(w,XtNstring,TF.buffer,0);
+		XtVaSetValues(w,XtNstring,TF.buffer,(void *)NULL);
 	} else {
-		XtVaSetValues(w,XtNstring,TF.backup,0);
+		XtVaSetValues(w,XtNstring,TF.backup,(void *)NULL);
 	}
 
 	TF.modified_by_user = False;
