(B)HS: Add windows title translate.

src/View/HydraulicStructures/Window.py

@@ -62,13 +62,14 @@ class HydraulicStructuresWindow(PamhyrWindow):
     _pamhyr_name = "Hydraulic Structures"
 
     def __init__(self, study=None, config=None, parent=None):
-        name = self._pamhyr_name + " - " + study.name
+        trad = HydraulicStructuresTranslate()
+        name = trad[self._pamhyr_name] + " - " + study.name
 
         super(HydraulicStructuresWindow, self).__init__(
             title=name,
             study=study,
             config=config,
-            trad=HydraulicStructuresTranslate(),
+            trad=trad,
             parent=parent
         )