fix for mingw32/g++ 4.8.1

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@998 d0cd1f9f-072b-0410-8dd7-cf729c803f20
don't display tesseract info line if output is stdout

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@999 d0cd1f9f-072b-0410-8dd7-cf729c803f20