Addresses #287 Moved documentation from toku_rt_delete

back to toku_rt_insert.
The error code was for insert, not delete.

git-svn-id: file:///svn/tokudb@1742 c7de825b-a66e-492c-adef-691d508d4ae1

src/range_tree/rangetree.h

@@ -96,6 +96,8 @@ int toku_rt_find(toku_range_tree* tree, toku_range* range, unsigned k,
  *      EINVAL:         If any pointer argument is NULL.
  *      EDOM:           If the exact range (left, right, and data) already
  *                      exists in the tree.
+ *                      If an overlapping range exists in the tree and
+ *                      allow_overlaps == FALSE.
  *  Other exit codes may be forwarded from underlying system calls.
  */
 int toku_rt_insert(toku_range_tree* tree, toku_range* range);
@@ -110,8 +112,6 @@ int toku_rt_insert(toku_range_tree* tree, toku_range* range);
  *      EINVAL:         If any pointer argument is NULL.
  *      EDOM:           If the exact range (left, right, and data) did
  *                      not exist in the tree.
- *                      If an overlapping range exists in the tree and
- *                      allow_overlaps == FALSE.
  *  Other exit codes may be forwarded from underlying system calls.
  */
 int toku_rt_delete(toku_range_tree* tree, toku_range* range);