fix(config_compiler): template operator overload had compile error with NDK

Author: lotem

src/rime/config/config_compiler.h

@@ -35,6 +35,11 @@ struct Reference {
   string repr() const;
 };
 
+template <class StreamT>
+StreamT& operator<< (StreamT& stream, const Reference& reference) {
+  return stream << reference.repr();
+}
+
 class ConfigCompilerPlugin;
 class ResourceResolver;
 struct Dependency;

src/rime/config/config_compiler_impl.h

@@ -32,9 +32,9 @@ struct Dependency {
   virtual bool Resolve(ConfigCompiler* compiler) = 0;
 };
 
-template <class StreamT, class RepresentableT>
-StreamT& operator<< (StreamT& stream, const RepresentableT& representable) {
-  return stream << representable.repr();
+template <class StreamT>
+StreamT& operator<< (StreamT& stream, const Dependency& dependency) {
+  return stream << dependency.repr();
 }
 
 struct PendingChild : Dependency {