Added anonymous struct test case

tests/t00037/t00037.cc

@@ -0,0 +1,26 @@
+namespace clanguml {
+namespace t00037 {
+
+struct ST {
+    struct {
+        double t;
+        double x;
+        double y;
+        double z;
+    } dimensions;
+};
+
+struct A {
+    A()
+    {
+        st.dimensions.t = -1;
+        st.dimensions.x = 1;
+        st.dimensions.y = 1;
+        st.dimensions.z = 1;
+    }
+
+    ST st;
+};
+
+} // namespace t00037
+} // namespace clanguml