Optimize buildFence method

The method is renamed to "makeFence" to better fit to the overall Arch
naming style. Additionally it returns the generated object now so one
can use it directly from python.

src/Mod/Arch/ArchFence.py

@@ -180,7 +180,7 @@ class _Fence(ArchComponent.Component):
 
     def clipSection(self, shape, length, clipLength):
         import Part
-        
+
         boundBox = shape.BoundBox
         lengthToCut = length - clipLength
         halfLengthToCut = lengthToCut / 2
@@ -259,10 +259,10 @@ class _CommandFence:
         post = sel[1]
         path = sel[2]
 
-        buildFence(section, post, path)
+        makeFence(section, post, path)
 
 
-def buildFence(section, post, path):
+def makeFence(section, post, path):
     obj = FreeCAD.ActiveDocument.addObject(
         'Part::FeaturePython', 'Fence')
 
@@ -280,6 +280,8 @@ def buildFence(section, post, path):
 
     FreeCAD.ActiveDocument.recompute()
 
+    return obj
+
 
 def hide(obj):
     if hasattr(obj, 'ViewObject') and obj.ViewObject:
@@ -336,4 +338,4 @@ if __name__ == '__main__':
     path = buildPath()
     post = buildPost()
 
-    buildFence(section, post, path)
+    print(makeFence(section, post, path))