Change ordering to simplify adding methods to type in conditional modules.

test/test_suite/methods/method_extension_in_conditional_module.c3

@@ -0,0 +1,15 @@
+module std::core::env;
+const bool FOO = true;
+
+module foo @if(env::FOO);
+struct Foo { int a; }
+
+module bar;
+import std, foo;
+
+fn void Foo.baz(self) {}
+
+fn int main()
+{
+	return 0;
+}