added the omp_set_nested() proxy
added the omp_set_nested() proxy

[git-p4: depot-paths = "//sw/gpgpu/nvbio/main/": change = 18779034]

kimrutherford/nvbio,NVlabs/nvbio,NVlabs/nvbio,NVlabs/nvbio,kimrutherford/nvbio,kimrutherford/nvbio,kimrutherford/nvbio,NVlabs/nvbio