--- xdrvr.c.orig	2015-03-30 09:01:18 UTC
+++ xdrvr.c
@@ -86,4 +86,6 @@
    (StructureNotifyMask | ButtonPressMask | ExposureMask | KeyPressMask )
 
+static int def_colors(void);
+
 static int            version   = 70607;
 static int            lastevent = -1;
@@ -104,4 +106,5 @@
 Bool                  predproc(Display *display, XEvent *event, char *arg);
 /***************************************************************************/
+int
 xwin_(int *x, int *y, int * z, int *ind, char *buf) {
   static Window        theWindow;		/* X stuff - some	*/