[llvm] [AArch64][ELF Parser] Fix out-of-scope variable usage (PR #130594)

[via llvm-commits]

sivan-shani wrote:

this fix also the string function, int function fixed before:
https://github.com/llvm/llvm-project/commit/4508d6aa72b0f31056ae01aff0e8009a252e4683

https://github.com/llvm/llvm-project/pull/130594