Encoding: Fix compile warnings from commit 38dbe69.
Merge topic 'encoding-parse-commandline' into next

042be0b3 Encoding: Fix compile warnings from commit 38dbe69.
Encoding: Fix debug asserts parsing command line options with non-ascii chars.

With MSVC, isspace() will assert with non-ascii characters.
Merge topic 'encoding-parse-commandline' into next

b6b493a4 Encoding: Fix debug asserts parsing command line options with non-ascii chars.