Update opencamlib imports to support latest version

src/Mod/Path/InitGui.py

@@ -165,7 +165,10 @@ class PathWorkbench(Workbench):
                 pass
 
             try:
-                import ocl  # pylint: disable=unused-variable
+                try:
+                    import ocl  # pylint: disable=unused-variable
+                except ImportError:
+                    import opencamlib as ocl
                 from Path.Op.Gui import Surface
                 from Path.Op.Gui import Waterline
 

src/Mod/Path/Path/Op/Surface.py

@@ -35,7 +35,10 @@ translate = FreeCAD.Qt.translate
 
 # OCL must be installed
 try:
-    import ocl
+    try:
+        import ocl
+    except ImportError:
+        import opencamlib as ocl
 except ImportError:
     msg = translate(
         "PathSurface", "This operation requires OpenCamLib to be installed."

src/Mod/Path/Path/Op/Waterline.py

@@ -34,7 +34,10 @@ translate = FreeCAD.Qt.translate
 
 # OCL must be installed
 try:
-    import ocl
+    try:
+        import ocl
+    except ImportError:
+        import opencamlib as ocl
 except ImportError:
     msg = translate(
         "path_waterline", "This operation requires OpenCamLib to be installed."