clean up call to std.fs.rename
clean up call to std.fs.rename

Thanks Ryan Liptak!

andrewrk/zig,raulgrell/zig,andrewrk/zig,raulgrell/zig,raulgrell/zig,zig-lang/zig,raulgrell/zig,zig-lang/zig,zig-lang/zig,raulgrell/zig