lots of includes and HAVE_FOO_H

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2153 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/getdtablesize.c

@@ -43,7 +43,9 @@ RCSID("$Id$");
 
 #include "roken.h"
 
+#ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
+#endif
 #ifdef TIME_WITH_SYS_TIME
 #include <sys/time.h>
 #include <time.h>
@@ -55,7 +57,9 @@ RCSID("$Id$");
 #ifdef HAVE_SYS_PARAM_H
 #include <sys/param.h>
 #endif
+#ifdef HAVE_UNISTD_H
 #include <unistd.h>
+#endif
 
 #ifdef HAVE_SYS_RESOURCE_H
 #include <sys/resource.h>