Add a small test to see if the tested compilers support out of line template methods.

[SVN r55992]

test/unordered/Jamfile.v2

@@ -38,4 +38,5 @@ test-suite unordered
         [ run rehash_tests.cpp ]
         [ run equality_tests.cpp ]
         [ run swap_tests.cpp : : : <define>BOOST_UNORDERED_SWAP_METHOD=2 ]
+        [ run out_of_line.cpp ]
     ;