Add non-debug platform for mac

This commit was SVN r19772.

contrib/platform/lanl/macosx-dynamic-optimized

@@ -0,0 +1,21 @@
+with_memory_manager=no
+enable_mem_debug=no
+enable_mem_profile=no
+enable_debug_symbols=no
+enable_binaries=yes
+with_devel_headers=yes
+enable_heterogeneous=no
+enable_picky=yes
+enable_debug=no
+enable_shared=yes
+enable_static=no
+enable_contrib_no_build=libnbc,vt
+with_xgrid=no
+enable_io_romio=no
+enable_ipv6=no
+enable_mpi_f77=no
+enable_mpi_f90=no
+enable_mpi_cxx=no
+enable_mpi_cxx_seek=no
+enable_memchecker=no
+enable_mca_no_build=pml-dr,pml-crcp2,crcp,filem,pml-v