Comment incomplete type problem in BM trick

Check for possible regressions in named range, slice projection functions


[SVN r29825]

libs/numeric/ublas

@@ -1 +1 @@
-Subproject commit 051b76f61c4f450d70f6418de8d6d94ccdf7d4ea
+Subproject commit 1a375cd0ca3d47b04f49a5ca4fa1d52d8b409980