gccrs: Made changes to AST::TraitImpl constructor for TypePath

[sriganeshres]

gcc/rust/ChangeLog:

* ast/rust-item.h: I have changed helper constructor for typepath to be a delegating constructor.

Fixes #3296

[philberty]

Tthe formatting doesnt look quite right did you use clang format?

[sriganeshres]

Tthe formatting doesnt look quite right did you use clang format?

Yes That is why it has passed the tests and i have also ran the command clang-format -i gcc/rust/ast/rust-item.h

[philberty]

Ok this looks ok to merge but looks like you didnt sign your commit off:

"Sri Ganesh Thota probably has FSF Copyright Assignment. Check manually that the lack of DCO Sign-Off is allowed."

Or do you have FSF copyright assignment?

[sriganeshres]

Ok this looks ok to merge but looks like you didnt sign your commit off:

"Sri Ganesh Thota probably has FSF Copyright Assignment. Check manually that the lack of DCO Sign-Off is allowed."

Or do you have FSF copyright assignment?

Well i have used git gcc-commit-mklog and i have configured that with my username and email. Should i add a line like Signed-by: XXXX