Fix formatting of polygon values in clause specification

missed some commas at end of lines

Author: chris-little

standard/clause_specification_text.adoc

@@ -1700,8 +1700,8 @@ Domain example of a Polygon with two holes, one square, the other triangular:
       "dataType": "polygon",
       "coordinates": ["x","y"],
       "values": [
-        [ [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ]  
-          [ [100.3, 0.2], [100.3, 0.4], [100.5, 0.4], [100.5, 0.2], [100.3, 0.2] ]
+        [ [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ], 
+          [ [100.3, 0.2], [100.3, 0.4], [100.5, 0.4], [100.5, 0.2], [100.3, 0.2] ],
           [ [100.7, 0.6], [100.8, 0.8], [100.9, 0.6], [100.7, 0.6] ] ]
       ]
     },
@@ -1726,8 +1726,8 @@ Coverage example of a Polygon with two holes, one square, the other triangular:
         "dataType": "polygon",
         "coordinates": ["x","y"],
         "values": [
-          [ [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ]
-            [ [100.3, 0.2], [100.3, 0.4], [100.5, 0.4], [100.5, 0.2], [100.3, 0.2] ]
+          [ [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], [100.0, 1.0], [100.0, 0.0] ],
+            [ [100.3, 0.2], [100.3, 0.4], [100.5, 0.4], [100.5, 0.2], [100.3, 0.2] ],
             [ [100.7, 0.6], [100.8, 0.8], [100.9, 0.6], [100.7, 0.6] ] ]
         ]
       },