Fix double free in c11_atomics tests for SVM allocations (#1286)
Fix double free in c11_atomics tests for SVM allocations (#1286)

* Only Clang format changes

* Fix double free object for SVM allocations

* Fix double free - review fixes
KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS,KhronosGroup/OpenCL-CTS