fix(reflect): add space to avoid max munch on >=

Author: JohelEGP

source/reflect.h

@@ -1030,7 +1030,7 @@ declaration::declaration(declaration const& that)
         cpp2::Default.expects(parent_is_type(), "");
 #line 361 "reflect.h2"
         auto prefix {CPP2_UFCS(pretty_print_visualize, (*cpp2::assert_not_null(n)), 0)}; 
-        CPP2_UFCS_0(pop_back, prefix);// Remove final ';'.
+        CPP2_UFCS_0(back, prefix) = ' ';// Remove final ';'.
         auto p {CPP2_UFCS_0(as_type, get_parent())}; 
         CPP2_UFCS(add_member, p, std::move(prefix) + source);
         static_cast<void>(std::move(p));

source/reflect.h2

@@ -359,7 +359,7 @@ function_declaration: @copyable type =
       pre(parent_is_type())
     = {
         prefix := n*.pretty_print_visualize(0);
-        prefix.pop_back(); // Remove final ';'.
+        prefix.back() = ' '; // Remove final ';'.
         p := get_parent().as_type();
         p.add_member(prefix + source);
         _ = p;