Merge branch 'master' into jgrpp

# Conflicts:
#	src/crashlog.cpp
#	src/gfx.cpp
#	src/network/network_client.cpp
#	src/openttd.cpp
#	src/openttd.h
#	src/saveload/saveload.cpp
#	src/survey.cpp

src/sl/saveload.cpp

@@ -2780,7 +2780,10 @@ struct FileReader : LoadFilter {
 	/** Make sure everything is cleaned up. */
 	~FileReader()
 	{
-		if (this->file != nullptr) fclose(this->file);
+		if (this->file != nullptr) {
+			_game_session_stats.savegame_size = ftell(this->file) - this->begin;
+			fclose(this->file);
+		}
 		this->file = nullptr;
 	}
 
@@ -2829,7 +2832,10 @@ struct FileWriter : SaveFilter {
 
 	void Finish() override
 	{
-		if (this->file != nullptr) fclose(this->file);
+		if (this->file != nullptr) {
+			_game_session_stats.savegame_size = ftell(this->file);
+			fclose(this->file);
+		}
 		this->file = nullptr;
 	}
 };