fix compile error

Author: lrvideckis

library/data_structures_[l,r)/bit_uncommon/kd_bit.hpp

@@ -3,7 +3,7 @@
 //! @code
 //!   KD_BIT<2> bit(n, m);
 //!   bit.update(i, j, 5);
-//!   bit.query(i1, i2, j1, j2));
+//!   bit.query(i1, i2, j1, j2);
 //! @endcode
 //! @time O(n^k + q * log^k n)
 //! @space O(n^k)