X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2FOS%2Fos.h-cygwin;h=07c14d04d9f32fad0a05a0455b24c41b90c09690;hb=9c19b270ead379003ece51fb49b83e7ea8b2d25e;hp=740300af6758d50612b05b6f75fe20fd97ff56a2;hpb=627d1a1b61d9c535835221afcbe1b9cd6548cd3b;p=exim.git

diff --git a/src/OS/os.h-cygwin b/src/OS/os.h-cygwin
index 740300af6..07c14d04d 100644
--- 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 */