Merge pull request #98356 from dustdfg/gdscript_endif_readability_comments

Add some comments to `#endif's` where it helps readability

modules/gdscript/gdscript_analyzer.cpp

@@ -5871,7 +5871,7 @@ void GDScriptAnalyzer::is_shadowing(GDScriptParser::IdentifierNode *p_identifier
 		parent = ClassDB::get_parent_class(parent);
 	}
 }
-#endif
+#endif // DEBUG_ENABLED
 
 GDScriptParser::DataType GDScriptAnalyzer::get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, bool &r_valid, const GDScriptParser::Node *p_source) {
 	// Unary version.