mpg321: use patch DSL
msdl: use patch DSL
neon: use patch DSL
newick-utils: use patch DSL
newlisp: use patch DSL
nload: use patch DSL
notmuch: use patch DSL
nzbget: use checksummed patches
objective-caml: use patch DSL
ohcount: use patch DSL
olsrd: use patch DSL
tcpreplay 4.0.3

Closes #27701.
More flags that clang used to ignore
omniorb: use patch DSL
open-mesh: use patch DSL
open-scene-graph: use patch DSL
opendetex: use patch DSL
osmosis: use patch DSL
pan: use patch DSL
pcb: use patch DSL