[stmt.jump] Add cross-reference to [stmt.dcl] for destruction of local variables (#6829)

Author: Eisenwave

source/statements.tex

@@ -765,7 +765,7 @@
 \begin{note}
 On exit from a scope (however accomplished), objects with automatic storage
 duration\iref{basic.stc.auto} that have been constructed in that scope are destroyed
-in the reverse order of their construction.
+in the reverse order of their construction\iref{stmt.dcl}.
 For temporaries, see~\ref{class.temporary}.
 However, the program can be terminated (by calling
 \indextext{\idxcode{exit}}%