Fix some cppcheck errors

cppcheck: fix broken pre-processor statement
cppcheck: fix Uninitialized struct members in canvas editor plugin
cppcheck: fix uninitialized struct member: method_api.is_virtual

core/rid.h

@@ -118,7 +118,6 @@ protected:
 
 		p_rid._data->_owner = NULL;
 	}
-#
 #endif
 
 public:

editor/plugins/canvas_item_editor_plugin.h

@@ -280,6 +280,10 @@ private:
 		Transform2D xform;
 		float length;
 		uint64_t last_pass;
+
+		BoneList() :
+				length(0.f),
+				last_pass(0) {}
 	};
 
 	uint64_t bone_last_frame;

modules/gdnative/nativescript/api_generator.cpp

@@ -292,6 +292,7 @@ List<ClassAPI> generate_c_api_classes() {
 				method_api.has_varargs = method_bind && method_bind->is_vararg();
 
 				// Method flags
+				method_api.is_virtual = false;
 				if (method_info.flags) {
 					const uint32_t flags = method_info.flags;
 					method_api.is_editor = flags & METHOD_FLAG_EDITOR;