[dcl.init.general] Add missing "object of" (cplusplus#9347)

Author: Jah-yee

source/declarations.tex

@@ -5529,7 +5529,7 @@
 or by an inherited constructor\iref{class.inhctor.init}.
 \end{note}
 Destroying an object of class type invokes the destructor of the class.
-Destroying a scalar type has no effect other than
+Destroying an object of scalar type has no effect other than
 ending the lifetime of the object\iref{basic.life}.
 Destroying an array destroys each element in reverse subscript order.