[HAVE_UNISTD_H]: Include unistd.h.

diff --git a/src/unexsunos4.c b/src/unexsunos4.c
index fd0f7ec419c1026df18e3700f6c2a3749ca6352f..53c3dc13bf971bc8f27fa27bde25838a57a40009 100644 (file)
--- a/src/unexsunos4.c
+++ b/src/unexsunos4.c
@@ -37,6 +37,9 @@
 #include <config.h>
 #endif
 
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 
 /* NetBSD needs this bit, but SunOS does not have it.  */
 #ifndef MAP_FILE