[ CAM ]: Update SPDX License Identifiers

src/Mod/CAM/PathScripts/PathPropertyBag.py

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 # Do NOT remove!
 # This establishes backwards compatibility with existing ToolBit files.
 

src/Mod/CAM/PathScripts/PathPropertyBagGui.py

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 # Do NOT remove!
 # This establishes backwards compatibility with existing ToolBit files.
 

src/Mod/CAM/PathScripts/PathUtils.py

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 # ***************************************************************************
 # *   Copyright (c) 2014 Dan Falck <ddfalck@gmail.com>                      *
 # *                                                                         *

src/Mod/CAM/PathScripts/PathUtilsGui.py

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
 # ***************************************************************************
 # *   Copyright (c) 2019 sliptonic <shopinthewoods@gmail.com>               *
 # *                                                                         *

src/Mod/CAM/PathScripts/__init__.py

@@ -0,0 +1 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later