[USG5] (SYSV): Don't define if already defined.

diff --git a/src/xrdb.c b/src/xrdb.c
index a064bb59a57df7a4a32983cf840e8a1acd4a9aca..60f3e415d62d1b01e4a55589fa26a5b77cef448f 100644 (file)
--- a/src/xrdb.c
+++ b/src/xrdb.c
@@ -26,7 +26,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #if 1 /* I'd really appreciate it if this code could go away...  -JimB */
 /* this avoids lossage in the `dual-universe' headers on AT&T SysV X11 */
 #ifdef USG5
+#ifndef SYSV
 #define SYSV
+#endif
 #include <unistd.h>
 #endif /* USG5 */