upstream: include sshbuf-misc.c in SRCS_BASE

OpenBSD-Commit-ID: 99dd10e72c04e93849981d43d64c946619efa474
diff --git a/.skipped-commit-ids b/.skipped-commit-ids
index 9624d66..177459e 100644
--- a/.skipped-commit-ids
+++ b/.skipped-commit-ids
@@ -8,6 +8,7 @@
 c07772f58028fda683ee6abd41c73da3ff70d403	moduli update
 db6375fc302e3bdf07d96430c63c991b2c2bd3ff	moduli update
 5ea3d63ab972691f43e9087ab5fd8376d48e898f	uuencode.c Makefile accident
+99dd10e72c04e93849981d43d64c946619efa474	include sshbuf-misc.c
 
 Old upstream tree: