cleanup: namespace Montauk (capital M) => montauk::abi

programs/include/engine/engine.h

@@ -56,7 +56,7 @@ struct Engine {
         }
 
         // Create window
-        Montauk::WinCreateResult wres;
+        montauk::abi::WinCreateResult wres;
         if (montauk::win_create(title, w, h, &wres) < 0 || wres.id < 0)
             return false;
 
@@ -77,7 +77,7 @@ struct Engine {
     }
 
     // Poll one window event. Returns true if an event was received.
-    bool poll(Montauk::WinEvent* ev) {
+    bool poll(montauk::abi::WinEvent* ev) {
         int r = montauk::win_poll(win_id, ev);
         if (r < 0) { running = false; return false; }
         if (r == 0) return false;