lib/DtTerm: fix implicit-function-declaration warnings

cde/lib/DtTerm/TermPrim/TermPrimSetPty.c

@@ -30,9 +30,11 @@
  * (c) Copyright 1996 Hitachi.						*
  */
 
+
 #include "TermHeader.h"
 #include "TermPrimOSDepI.h"
 #include "TermPrimDebug.h"
+
 #include <fcntl.h>
 #ifdef  ALPHA_ARCHITECTURE
 #include <sys/ioctl.h>
@@ -86,6 +88,10 @@
 #include <signal.h>
 #include <Xm/Xm.h>
 
+#include <Dt/Term.h>
+#include "TermPrimUtil.h"
+
+
 #define XTTYMODE_intr    0
 #define XTTYMODE_quit    1
 #define XTTYMODE_erase   2