Add ability to report version to cthulhu.

main.cpp

@@ -35,6 +35,11 @@
 #include <string>
 
 namespace {
+// Read directly by readers without starting Wine or initializing a prefix.
+// Keep this in the sidecar so it identifies the installed executable itself.
+__attribute__((used, section(".wine_access.version")))
+const char installedVersion[] = WINE_ACCESS_VERSION;
+
 ReaderEndpoint readerEndpoint = CthulhuEndpoint;
 constexpr int DBUS_TIMEOUT_MS = 500;
 GDBusConnection *connection = nullptr;