fix error: 'R_OK' undeclared

diff --git a/lib/common/utils.c b/lib/common/utils.c
index c18890f7828a6569123139972be83a4a60610e49..544d5cc1ba416bd85542edc18246895e11f5a051 100644 (file)
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -21,7 +21,7 @@
 #ifdef WIN32
 #include "libltdl/lt_system.h"
 #endif
-#ifndef WIN32
+#ifndef _MSC_VER
 #include <unistd.h>
 #endif
 #include <ctype.h>