Index: src/Common/ScopedMap.h
===================================================================
--- src/Common/ScopedMap.h	(revision 680ae0ef2c656576768cc4f145d25b5b0b3b1fba)
+++ src/Common/ScopedMap.h	(revision 1a39a5a0bcbeb171fe0e5b89de440ca60f18cc21)
@@ -93,5 +93,5 @@
 
 		reference operator* () { return *it; }
-		pointer operator-> () { return it.operator->(); }
+		pointer operator-> () const { return it.operator->(); }
 
 		iterator& operator++ () {