fixups: added "or destruction" in [class.base.init]p16

Author: joshuaberne

source/classes.tex

@@ -5722,8 +5722,8 @@
 \pnum
 \indextext{initialization!member function call during}%
 Member functions (including virtual member functions, \ref{class.virtual}) can be
-called for an object under construction.
-Similarly, an object under construction can be the operand of the
+called for an object under construction or destruction.
+Similarly, an object under construction or destruction can be the operand of the
 \tcode{typeid}
 operator\iref{expr.typeid} or of a
 \keyword{dynamic_cast}\iref{expr.dynamic.cast}.