xtime.h fix for IRIX-5.3

[Martin Neitzel]

Here is a trivial fix to make the bleeding edge CVS compile under
IRIX-5.3.  Without the fix, the src/server.c compilation fails due to
including lib/xtime.h twice, both times indirectly.   Shields up!...

                                                Martin Neitzel

Index: lib/ChangeLog
===================================================================
RCS file: /home2/cvsroot/ccvs/lib/ChangeLog,v
retrieving revision 1.143
diff -u -r1.143 ChangeLog
--- lib/ChangeLog       25 Apr 2001 23:45:10 -0000      1.143
+++ lib/ChangeLog       14 Jun 2001 02:58:33 -0000
@@ -1,3 +1,8 @@
+2001-06-14  Martin Neitzel  <neitzel@gaertner.de>
+
+       * xtime.h:  Fix for !HAVE_SYS_TIMEB_H platforms: protection
+       against repeated includes (eg.: src/server.c).
+
 2001-04-25  Derek Price  <dprice@collab.net>
 
        * Makefile.in: Regenerated using AM 1.4e as of today at 18:10 -0400.
Index: lib/xtime.h
===================================================================
RCS file: /home2/cvsroot/ccvs/lib/xtime.h,v
retrieving revision 1.1
diff -u -r1.1 xtime.h
--- lib/xtime.h 15 Feb 2001 02:53:07 -0000      1.1
+++ lib/xtime.h 14 Jun 2001 02:58:33 -0000
@@ -8,6 +8,9 @@
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.  */
 
+#ifndef _XTIME_H
+#define _XTIME_H
+
 /* This file simply performs the include magic necessary for using time
  * functions
  */
@@ -55,3 +58,5 @@
 # endif /* !defined(HAVE_FTIME) && !defined(HAVE_TIMEZONE) */
 
 #endif /* !vms */
+
+#endif /* _XTIME_H */