Added <unistd.h> for unlink().

diff --git a/src/files.c b/src/files.c
index f227685eb15bacaaf3f212d0ea82dcc3a44a2d48..a353f575b3bfceb1f6fc23f4b68385792c04f4d5 100644 (file)
--- a/src/files.c
+++ b/src/files.c
@@ -42,6 +42,11 @@ Boston, MA 02111-1307, USA.  */
 #endif
 
 #include <stdio.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
 #include "files.h"
 #include "alloc.h"
 #include "gram.h"