benchmark

Destructor not returning is expected in some cases (#1316)

* Address MSVC C4722 warning in tests

Some test paths deliberately exit, and it appears that the appropriate declspec
does not stop the compiler generating the C4722 warning as one might expect.

Per https://github.com/google/benchmark/issues/826#issuecomment-851995549
this commit ignores the warning for the affected call site.

* Fix up Formatting

* Fix up formatting issue on pragmas

* Fix up formatting issue on pragmas take 2

Co-authored-by: Staffan Tjernstrom <staffantj@users.noreply.github.com>