Assemble KICAD_FOOTPRINT_DIR from version

Author: PaulZC

SparkFunKiCadPanelizer/panelizer/panelizer.py

@@ -981,7 +981,9 @@ def startPanelizer(self, args, board=None, ordering=None, logger=None):
         # Add fiducials
 
         # Find the KiCad Fiducial footprints
-        fiducialPath = os.getenv('KICAD7_FOOTPRINT_DIR') # This works when running the plugin inside KiCad
+        kicadVersion = pcbnew.GetBuildVersion().split('.')[0]
+        fiducialEnv = "KICAD{}_FOOTPRINT_DIR".format(kicadVersion)
+        fiducialPath = os.getenv(fiducialEnv ) # This works when running the plugin inside KiCad
         if fiducialPath is not None:
             fiducialPath = os.path.join(fiducialPath,"Fiducial.pretty")
         else: