Change GTKGetEntryTextLength() to return a signed value, as it's always either assigned to or compared with the signed variables anyhow. This avoids a couple of -Wsign-compare warnings when building with g++ 5.4 from Ubuntu 16.04.
Change GTKGetEntryTextLength() to return a signed value, as it's always either assigned to or compared with the signed variables anyhow. This avoids a couple of -Wsign-compare warnings when building with g++ 5.4 from Ubuntu 16.04.