[Libvir] Memory leak in XenHypervisorMakeCapabilitiesXML?

[beth kon <eak us ibm com>]

Hi. Seems to me there is a memory leak with the strdup function in 
xenHypervisorMakeCapabilitiesXML. Looking up the chain of calls leading 
to xenHypervisorMakeCapabilitiesXML, I don't see the required free for 
the hidden malloc in the strdup. The same problem may exist with other 
strdups in the code.

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Elizabeth Kon (Beth)
IBM Linux Technology Center
Open Hypervisor Team
email: eak us ibm com