ldid: explicitly mark signature as adhoc

[asdfugil]

No description provided.

[jesec]

Can you explain why this is neccessary?

[asdfugil]

it is needed for macOS Monterey (arm64)

[jesec]

I am able to run the binary (produced with the current flags) on macOS Monterey. That is, this PR is not really neccessary.

Executable=/Users/jc/Sources/pkg/1
Identifier=pkg-macos
Format=Mach-O thin (arm64)
CodeDirectory v=20400 size=389954 flags=0x0(none) hashes=12181+2 location=embedded
./1: no signature
Info.plist=not bound
TeamIdentifier=not set
Sealed Resources=none
Internal requirements count=1 size=128

Nonetheless, I am happy to make the result closer to the codesign utility.

[asdfugil]

sorry i mixed it up with iOS 15 (which we don't target), and that doesn't allow JIT anyways so this really isn't necessary

[nathan818fr]

What version of ldid are you using?
There is no -C option: https://github.com/xerub/ldid/blob/master/ldid.cpp
Since ldid terminates silently in case of unknown options, this change only skips the code-signing.

[jesec]

https://github.com/jesec/ldid-static