#187 CreateServerFolder - mkdir compatibility

[mvl22]

in io.php , add to the start of CreateServerFolder()

# Ensure the folder path has no double-slashes, or
mkdir may fail on certain platforms
while (strpos ($folderPath, '//') !== false) {
$folderPath = str_replace ('//', '/',
$folderPath);
}

[Alfonso Martinez]

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I'll test it with http://dev.fckeditor.net/ticket/454

[Alfonso Martinez]

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Fixed with http://dev.fckeditor.net/changeset/413