Fix line length.
Merge topic 'remove-c_str-calls' into next

a20820fb Fix line length.
Remove some c_str() calls.

Use the clang RemoveCStrCalls tool to automatically migrate the
code. This was only run on linux, so does not have any positive or
negative effect on other platforms.
Merge topic 'remove-c_str-calls' into next

b3c24533 Remove some c_str() calls.