Correct `odin doc` default parameter value `init_string` generation

src/checker.cpp

@@ -2050,6 +2050,7 @@ void generate_minimum_dependency_set(Checker *c, Entity *start) {
 		
 		// WASM Specific
 		str_lit("__ashlti3"),
+		str_lit("__multi3"),
 	};
 	for (isize i = 0; i < gb_count_of(required_runtime_entities); i++) {
 		force_add_dependency_entity(c, c->info.runtime_package->scope, required_runtime_entities[i]);

src/docs_writer.cpp

@@ -826,6 +826,9 @@ OdinDocEntityIndex odin_doc_add_entity(OdinDocWriter *w, Entity *e) {
 		}
 		if (e->flags & EntityFlag_Static) { flags |= OdinDocEntityFlag_Var_Static; }
 		link_name = e->Variable.link_name;
+		if (init_expr == nullptr) {
+			init_expr = e->Variable.init_expr;
+		}
 		break;
 	case Entity_Procedure:
 		if (e->Procedure.is_foreign) { flags |= OdinDocEntityFlag_Foreign; }
@@ -856,8 +859,8 @@ OdinDocEntityIndex odin_doc_add_entity(OdinDocWriter *w, Entity *e) {
 				init_string = odin_doc_write_string(w, make_string_c(exact_value_to_string(e->Constant.value)));
 			}
 		} else if (e->kind == Entity_Variable) {
-			if (e->Variable.param_expr) {
-				init_string = odin_doc_expr_string(w, e->Variable.param_expr);
+			if (e->Variable.param_value.original_ast_expr) {
+				init_string = odin_doc_expr_string(w, e->Variable.param_value.original_ast_expr);
 			}
 		}
 	}

src/entity.cpp

@@ -166,7 +166,6 @@ struct Entity {
 			i32  field_index;
 
 			ParameterValue param_value;
-			Ast *          param_expr;
 
 			String     thread_local_model;
 			Entity *   foreign_library;