Fixup CWG2677: Use \defnadjx instead of \defnadj

Author: eisenwave

source/basic.tex

@@ -3493,7 +3493,7 @@
 the new object is of the same type as \placeholder{e} (ignoring cv-qualification).
 \end{itemize}
 In this case, \placeholder{e} and the created object are
-\defnadj{corresponding direct}{subobjects}{subobject}.
+\defnadjx{corresponding direct}{subobjects}{subobject}.
 
 \pnum
 \indextext{object!providing storage for}%