Corrected a typo in the tools/build/v2/tools/common.jam __test__ rule causing it to mess up the global .name variable in the os.jam module. This was effectively causing an internal os.jam module test to fail when you ran 'bjam --debug'.

[SVN r45121]

tools/build

@@ -1 +1 @@
-Subproject commit ddc382175e0781acded37266614b075da0cbd6a4
+Subproject commit b94fe3475cce7c2f9bfea3b5b09b0e4073e3815a