processing: translation fix (open fusion las viewer; followup 66a3d02)

Author: jef-n

python/plugins/processing/algs/lidar/fusion/OpenViewerAction.py

@@ -35,8 +35,8 @@
 class OpenViewerAction(ToolboxAction):
 
     def __init__(self):
-        self.name, self.i18n_name = self.trAlgorithm('Open Fusion LAS viewer')
-        self.group, self.i18n_group = self.trAlgorithm('Visualization')
+        self.name = self.tr('Open Fusion LAS viewer')
+        self.group = self.tr('Visualization')
 
     def getIcon(self):
         return QtGui.QIcon(os.path.dirname(__file__) + '/../../../images/tool.png')