widl: write_array_element_type shouldn't return a value.

tools/widl/typegen.c

@@ -2343,7 +2343,7 @@ static void write_array_element_type(FILE *file, const type_t *type,
             return;
         }
     }
-    return write_member_type(file, type, cont_is_complex, NULL, elem, NULL, tfsoff);
+    write_member_type(file, type, cont_is_complex, NULL, elem, NULL, tfsoff);
 }
 
 static void write_end(FILE *file, unsigned int *tfsoff)