X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/3634fc257bd0667daef14d72005cd87c735bbb24..9c19b270ead379003ece51fb49b83e7ea8b2d25e:/src/OS/os.h-cygwin

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 */