librts: make model vars of type FLOAT recordable
FLOAT case was absent from setValueFromLocation, so no vars of that type could be recorded.
Also fix the build by updating the userspace build files for the new cds-shmem path.
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FLOAT case was absent from setValueFromLocation, so no vars of that type could be recorded.
Also fix the build by updating the userspace build files for the new cds-shmem path.