add back missing boost.range interfaces

Eric Niebler · Eric Niebler · commit c038171a340e · 2014-08-05T08:48:09.000-07:00
diff --git a/libs/range b/libs/range
@@ -1 +1 @@
-Subproject commit af2f17ccc54aa5cb4a630a581ad59d52151c7519
+Subproject commit b0b08e0039f3cd4dffc0242f16d0f03e09434856
