=== modified file 'miral/debug_extension.cpp'
--- miral/debug_extension.cpp	2016-11-15 12:55:30 +0000
+++ miral/debug_extension.cpp	2016-11-29 10:42:13 +0000
@@ -23,7 +23,7 @@
 #include <mir/server.h>
 #include <mir/options/option.h>
 
-class miral::DebugExtension::Self : public CoordinateTranslator
+struct miral::DebugExtension::Self : public CoordinateTranslator
 {
 };
 

=== modified file 'miral/window_management_trace.cpp'
--- miral/window_management_trace.cpp	2016-11-03 10:15:24 +0000
+++ miral/window_management_trace.cpp	2016-11-29 10:40:57 +0000
@@ -32,10 +32,12 @@
 
 using mir::operator<<;
 
-namespace 
+namespace
 {
 std::string const null_ptr{"(null)"};
 
+auto operator<< (std::ostream& out, miral::WindowSpecification::AspectRatio const& ratio) -> std::ostream&;
+
 struct BracedItemStream
 {
     BracedItemStream(std::ostream& out) : out{out} { out << '{'; }