[exim-cvs] Try to fix Solaris build

Commit:     b11989b8d73c17ccb70e22ca7e8a13540ecca73d
Parent:     45907b9dd8939da28facc8032ff2df8549c22c7f
Author:     Jeremy Harris <jgh146exb@???>
AuthorDate: Sun Feb 23 17:08:42 2020 +0000
Committer:  Jeremy Harris <jgh146exb@???>
CommitDate: Sun Feb 23 17:08:42 2020 +0000

    Try to fix Solaris build
---
 src/src/daemon.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/src/daemon.c b/src/src/daemon.c
index f39ab01..067bb33 100644
--- a/src/src/daemon.c
+++ b/src/src/daemon.c
@@ -1056,13 +1056,17 @@ daemon_notification(void)
 {
 uschar buf[256], cbuf[256];
 struct sockaddr_un sa_un;
-struct iovec iov = {.iov_base = buf, .iov_len = sizeof(buf)-1};
+struct iovec iov = {.iov_base = (void *)buf,    /* ? cast needed for Solaris compiler */
+            .iov_len = sizeof(buf)-1
+           };
 struct msghdr msg = { .msg_name = &sa_un,
               .msg_namelen = sizeof(sa_un),
               .msg_iov = &iov,
               .msg_iovlen = 1,
+#if !defined(__sun)
               .msg_control = cbuf,
               .msg_controllen = sizeof(cbuf)
+#endif
             };
 ssize_t sz;
 struct cmsghdr * cp;