Create uraid.h to declare functions defined in uraid.c.

Update files that depend on these uraid functions to include uraid.h.
Add dependencies to makefile.

	modified:   bin/makefile-tail
	new file:   inc/uraid.h
	modified:   src/common.c
	modified:   src/truecolor.c
	modified:   src/unwind.c
	modified:   src/uraid.c
	modified:   src/uutils.c

src/unwind.c

@@ -31,6 +31,7 @@ static char *id = "$Id: unwind.c,v 1.3 1999/05/31 23:35:46 sybalsky Exp $ Copyri
 #include "emlglob.h"
 #include "stack.h"
 #include "lspglob.h"
+#include "uraid.h"
 
 UNSIGNED N_OP_unwind(register LispPTR *cstkptr, register LispPTR tos, int n, int keep) {
   register int num;           /* number of UNBOUND slot */