Fix @at-root for loop and logic statements
Fix @at-root for loop and logic statements

The root flag should be inherited from the parent, since
the statements are transparent (no CSS blocks in output).

Fixes  https://github.com/sass/libsass/issues/2185

am11/libsass,am11/libsass,am11/libsass,am11/libsass,am11/libsass