i#1063: implement redirect_GetDiskFreeSpace{A,W}

From experimentation, no trailing \ is needed, a relative path turns
into the cur dir, and a file (i.e., not a directory) is passed as-is
and fails.

git-svn-id: https://dynamorio.googlecode.com/svn/trunk@1918 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6
i#1063: implement redirect_GetDriveType{A,W}

git-svn-id: https://dynamorio.googlecode.com/svn/trunk@1919 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6
i#1063: implement redirect_GetFileAttributes{A,W}

git-svn-id: https://dynamorio.googlecode.com/svn/trunk@1920 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6
i#1063: implement redirect_GetFileInformationByHandle()

git-svn-id: https://dynamorio.googlecode.com/svn/trunk@1921 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6
i#1063: implement redirect_GetFileSize()

git-svn-id: https://dynamorio.googlecode.com/svn/trunk@1922 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6
i#1063: implement redirect_GetFileType()

git-svn-id: https://dynamorio.googlecode.com/svn/trunk@1923 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6
i#1063: implement redirect_ExitProcess()

git-svn-id: https://dynamorio.googlecode.com/svn/trunk@1924 49cc7528-f6fd-11dd-9d1a-b59b2e1864b6