Merge pull request github#15404 from michaelnebel/csharp/inlinearraydummystats

C#: Add dummy stats for inline_array_type.

Author: michaelnebel

csharp/ql/lib/semmlecode.csharp.dbscheme.stats

@@ -220,6 +220,10 @@
             <k>@function_pointer_type</k>
             <v>47824</v>
         </e>
+        <e>
+            <k>@inline_array_type</k>
+            <v>0</v>
+        </e>
         <e>
             <k>@uint_ptr_type</k>
             <v>0</v>