natFile.cc (_access): Don't stack-allocate buffer.
* java/io/natFile.cc (_access): Don't stack-allocate buffer.
Size buffer based on real size of string.
(_stat): Likewise.
(attr): Likewise.
(getCanonicalPath): Likewise.
(performList): Likewise.
(performMkdir): Likewise.
(performSetReadOnly): Likewise.
(unixroot): Removed.
(performRenameTo): Likewise.
(performSetLastModified): Likewise.
(performCreate): Likewise.
(performDelete): Likewise.
(performListRoots): Always return new array.
From-SVN: r49584