rBc1909770e7f192574ea62449dd14b4254637e604 introduced "PXR_LIB_PREFIX" for building the dependencies, so only makes sense to use the same name in the Hydra render delegate CMake too
rBc1909770e7f192574ea62449dd14b4254637e604 introduced "PXR_LIB_PREFIX" for building the dependencies, so only makes sense to use the same name in the Hydra render delegate CMake too