privsep_io: fix this statement may fall through [-Wimplicit-fallthrough=] with gcc7

diff --git a/src/daemon/privsep_io.c b/src/daemon/privsep_io.c
index e9734a7102de6d57a737cc6f6af8bd4908a61389..fbfad740633c4d8af6311dc230e1ffeacdf82fa1 100644 (file)
--- a/src/daemon/privsep_io.c
+++ b/src/daemon/privsep_io.c
@@ -46,6 +46,7 @@ may_read(enum priv_context ctx, void *buf, size_t n)
                case -1:
                        if (errno == EINTR || errno == EAGAIN)
                                continue;
+                       /* FALL THROUGH */
                case 0:
                        return (1);
                default: