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

programs/src/date/main.cpp

@@ -37,7 +37,7 @@ static const char* month_name(int m) {
 }
 
 extern "C" void _start() {
-    Montauk::DateTime dt;
+    montauk::abi::DateTime dt;
     montauk::gettime(&dt);
 
     print_int(dt.Day);