[FIX] Log calculation of border countries based on argument

- and not based on the countries to process. These can also be 2 in case of a XY coordinate containing two countries

wahoomc/osm_maps_functions.py

@@ -133,9 +133,8 @@ def log_border_countries(self):
         for country in self.border_countries:
             log.info('+ Involved country: %s', country)
 
-        # input can be only one country, if there are more than one,
-        # border countries must be selected
-        if len(self.border_countries) > 1:
+        # border countries should be processed. Log it.
+        if self.process_border_countries:
             log.info('+ Border countries will be processed')
 
     def get_downloader(self):