Coverity analysis defect 98151: Dereference after null check

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      Pointer is checked against null but then dereferenced anyway

      Defect 98151 (STATIC_C)
      Checker FORWARD_NULL (subcategory none)
      File: /src/third_party/wiredtiger/src/btree/bt_cursor.c
      Function __wt_btcur_range_truncate
      /src/third_party/wiredtiger/src/btree/bt_cursor.c, line: 1169
      Comparing "start" to null implies that "start" might be null. 

          	cbt = (start != NULL) ? start : stop;

      File: /src/third_party/wiredtiger/src/btree/bt_cursor.c
      Function __wt_btcur_range_truncate
      /src/third_party/wiredtiger/src/btree/bt_cursor.c, line: 1169
      Comparing "start" to null implies that "start" might be null. 

          	cbt = (start != NULL) ? start : stop;

      File: /src/third_party/wiredtiger/src/btree/bt_cursor.c
      Function __wt_btcur_range_truncate
      /src/third_party/wiredtiger/src/btree/bt_cursor.c, line: 1169
      Comparing "start" to null implies that "start" might be null. 

          	cbt = (start != NULL) ? start : stop;

            Assignee:
            Keith Bostic (Inactive)
            Reporter:
            Coverity Collector User
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              Created:
              Updated:
              Resolved: