[llvm] [llvm-objdump] Remove leading whitespace for PT_GNU_PROPERTY. (PR #121591)

[James Henderson via llvm-commits]

https://github.com/jh7370 commented:

Code change looks good to me (I note that `EH_FRAME` is the same length and also includes no leading spaces in the string). I've got one test suggestion.

https://github.com/llvm/llvm-project/pull/121591