Added 'simple_pointer_cast_le.t' to Emit tests

.github/workflows/d.yml

@@ -305,6 +305,10 @@ jobs:
         run: |
           ./tlang compile source/tlang/testing/simple_pointer.t
           ./tlang.out
+      - name: Simple pointer cast (little endian)
+        run: |
+          ././tlang compile source/tlang/testing/simple_pointer_cast_le.t
+          ./tlang.out
       - name: Simple extern
         run: |
           chmod +x extern_test.sh