Fixed a handful of errors flagged by clang-tidy.

glabels/LabelEditor.cpp

@@ -889,7 +889,7 @@ namespace glabels
 			case Handle::SW:
 				x0 += x2 - mResizeObject->w().pt();
 				break;
-			defaule:
+			default:
 				break;
 			}
 		}

glabels/LabelModel.cpp

@@ -602,6 +602,8 @@ namespace glabels
 				return object;
 			}
 		}
+
+		return 0;
 	}
 
 

glabels/TemplatePicker.cpp

@@ -50,7 +50,7 @@ namespace glabels
 	{
 		foreach (Template *tmplate, tmplates)
 		{
-			TemplatePickerItem *item = new TemplatePickerItem( tmplate, this );
+			new TemplatePickerItem( tmplate, this );
 		}
 	}
 

glabels/XmlLabelParser.cpp

@@ -256,6 +256,7 @@ namespace glabels
 				if ( tmplate == 0 )
 				{
 					qWarning() << "Unable to parse template";
+					delete label;
 					return 0;
 				}
 				label->setTmplate( tmplate );