rework the condition in case the problem is that unistd.h in AIX forgot to define...

diff --git a/ast_common.h.in b/ast_common.h.in
index 999863023872b396f1cb7a1aa72ff53722ad1ea5..5d2c2c86926b64c79cad54631db332b45ca73a1a 100644 (file)
--- a/ast_common.h.in
+++ b/ast_common.h.in
@@ -213,10 +213,9 @@ typedef int ssize_t;
 
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
-#else
+#endif
 #ifndef R_OK
 #define R_OK 4
 #endif
-#endif
 
 #endif /*AST_COMMON_H*/