Merge branch 'pt/mingw-misc-fixes'

* pt/mingw-misc-fixes: t9901: fix line-ending dependency on windows mingw: ensure sockets are initialized before calling gethostname mergetools: use the correct tool for Beyond Compare 3 on Windows t9300: do not run --cat-blob-fd related tests on MinGW git-svn: On MSYS, escape and quote SVN_SSH also if set by the user t9001: do not fail only due to CR/LF issues t1020: disable the pwd test on MinGW