upstream commit

group shared source files (e.g. SRCS_KEX) and allow
compilation w/o OPENSSL ok djm@

OpenBSD-Commit-ID: fa728823ba21c4b45212750e1d3a4b2086fd1a62
diff --git a/.skipped-commit-ids b/.skipped-commit-ids
index 836511b..b51baf9 100644
--- a/.skipped-commit-ids
+++ b/.skipped-commit-ids
@@ -1,6 +1,7 @@
 5317f294d63a876bfc861e19773b1575f96f027d	remove libssh from makefiles
 a337e886a49f96701ccbc4832bed086a68abfa85	Makefile changes
 f2c9feb26963615c4fece921906cf72e248b61ee	more Makefile
+fa728823ba21c4b45212750e1d3a4b2086fd1a62	more Makefile refactoring
 
 Old upstream tree: