- XGL: fix non isocpp-compliant definition of LogFunctions::log_prefix outside the namespace where the class resides.

code/XGLLoader.cpp

@@ -77,8 +77,11 @@ struct free_it
 	void* free;
 };
 
+namespace Assimp { // this has to be in here because LogFunctions is in ::Assimp
 template<> const std::string LogFunctions<XGLImporter>::log_prefix = "XGL: ";
 
+}
+
 static const aiImporterDesc desc = {
 	"XGL Importer",
 	"",