[MSDOS]: If DJGPP version 2, include unistd.h.

Include msdos.h somewhat earlier.

diff --git a/src/lread.c b/src/lread.c
index 11fc04a4f6e9bbe64e2ab96ea93d2b0031cac957..f90bdb2ef2daea009c428d313e00e79af8849559 100644 (file)
--- a/src/lread.c
+++ b/src/lread.c
@@ -40,6 +40,13 @@ Boston, MA 02111-1307, USA.  */
 #include <sys/inode.h>
 #endif /* lint */
 
+#ifdef MSDOS
+#if __DJGPP__ < 2
+#include <unistd.h>    /* to get X_OK */
+#endif
+#include "msdos.h"
+#endif
+
 #ifndef X_OK
 #define X_OK 01
 #endif
@@ -49,10 +56,6 @@ Boston, MA 02111-1307, USA.  */
 #include <stdlib.h>
 #endif
 
-#ifdef MSDOS
-#include "msdos.h"
-#endif
-
 #include <math.h>
 #endif /* LISP_FLOAT_TYPE */