[meta.reflection.traits] Add \tcode for dealias(type)

Author: Andreas-Krug

source/meta.tex

@@ -6868,7 +6868,7 @@
 \pnum
 \returns
 \tcode{variant_size_v<T>},
-where \tcode{T} is the type represented by dealias(type).
+where \tcode{T} is the type represented by \tcode{dealias(type)}.
 \end{itemdescr}
 
 \indexlibraryglobal{variant_alternative}%