[exim-cvs] Fix Mac build

Gitweb: https://git.exim.org/exim.git/commitdiff/9fa3eec7bb2e6a14a0b62dbc713c0ba5b2b5cd34

Commit:     9fa3eec7bb2e6a14a0b62dbc713c0ba5b2b5cd34
Parent:     714f0e1cdf8ccc4778a219c64c00aad64d0ecd78
Author:     Jeremy Harris <jgh146exb@???>
AuthorDate: Fri Oct 12 22:19:17 2018 +0100
Committer:  Jeremy Harris <jgh146exb@???>
CommitDate: Fri Oct 12 22:19:17 2018 +0100

    Fix Mac build

    Broken-by: 75c121f07a
---
 src/OS/os.h-Darwin | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/OS/os.h-Darwin b/src/OS/os.h-Darwin
index f408740..f3f22f0 100644
--- a/src/OS/os.h-Darwin
+++ b/src/OS/os.h-Darwin
@@ -45,4 +45,7 @@ updating Exim to use the newer interface. */
/* default is non-const */
#define ICONV_ARG2_TYPE const char **

+/* seems arpa/nameser.h does not define this */
+#define NS_MAXMSG 65535
+
/* End */