Fix gnutls library version check, for system certs feature. Bug 1691

[exim.git] / src / OS / os.h-cygwin

diff --git a/src/OS/os.h-cygwin b/src/OS/os.h-cygwin
index 740300af6758d50612b05b6f75fe20fd97ff56a2..07c14d04d9f32fad0a05a0455b24c41b90c09690 100644 (file)
--- a/src/OS/os.h-cygwin
+++ b/src/OS/os.h-cygwin
@@ -48,4 +48,7 @@ struct  { \
   DWORD SubAuthority[n]; \
 } name = { SID_REVISION, n, {SECURITY_NT_AUTHORITY}, {sid}}
 
+/* default is non-const */
+#define ICONV_ARG2_TYPE const char **
+
 /* End */