libDtSvc: Change to ANSI function definitions

cde/lib/DtSvc/DtUtil2/ChkpntClient.c

@@ -312,7 +312,7 @@ _DtPerfChkpntMsgSend(char *message)
  * myDtPerfChkpntEnd --- End the checkpointing message delivery
  */
 int
-_DtPerfChkpntEnd() 
+_DtPerfChkpntEnd(void) 
 {
     myDtChkpntMsgSend("End checkpoint delivery", DT_PERF_CHKPNT_MSG_END);
     return(1);

cde/lib/DtSvc/DtUtil2/DtEnvMap.c

@@ -1429,7 +1429,7 @@ void _DtEnvMapForRemote (char *targetHost)
  * restores the original envirnment settings for a number of
  * environment variables.
  */
-void _DtEnvRestoreLocal ()
+void _DtEnvRestoreLocal (void)
 {
     extern char   *mostRecentRemoteHostG;
     cacheForTargetHost  *targetCache;

cde/lib/DtSvc/DtUtil2/EnvControl.c

@@ -207,7 +207,7 @@ makeDefaultIconPath(
  * Construct a default value for XMICONSEARCHPATH into outbuf.
  */
 static char *
-makeDefaultIconPmPath()
+makeDefaultIconPmPath(void)
 {
     static char *defaultIconPmPath = NULL;
 
@@ -223,7 +223,7 @@ makeDefaultIconPmPath()
  * Construct a default value for XMICONBMSEARCHPATH into outbuf.
  */
 static char *
-makeDefaultIconBmPath()
+makeDefaultIconBmPath(void)
 {
     static char *defaultIconBmPath = NULL;
 
@@ -254,7 +254,7 @@ makeDefaultIconBmPath()
  * 
  *****************************<->***********************************/
 void
-_DtEnvSessionManager()
+_DtEnvSessionManager(void)
 {
 #define SESSION_MANAGER	"SESSION_MANAGER"
     char *session_manager = getenv(SESSION_MANAGER);

cde/lib/DtSvc/DtUtil2/Info.c

@@ -143,7 +143,7 @@ DtInfoShowTopic (
 
 
 static DtInfoShowStatus
-ConnectToMessageServer ()
+ConnectToMessageServer (void)
 {
 	char	       		* procid;
 	Tt_status		status;