orangefs: Fix kmemleak in orangefspreparedebugfshelpstring()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.86 by commit 39529b79b023713d4f2d3479dc0ca43ba99df726. For more details please see the references link.