[svn r133] Fixed some problems with inlining not happening :P

Fixed problems with certain cases of deeply nested classes/functions.

test/nested9.d

@@ -0,0 +1,13 @@
+module nested9;
+
+void main()
+{
+    int i = 42;
+    int func()
+    {
+        return i + 1;
+    }
+    int j = func();
+    printf("j = %d\n", j);
+    assert(j == 43);
+}