clang warning fixes


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1892 b412e182-2ed4-4078-95c4-27dc59f57fa9
git-svn show-ignore > .gitignore
Windows binaries
Windows binaries
Merge branch 'master' of https://github.com/piernov/tesseract