[range.reverse.view] Add missing \exposid formatting

Author: jensmaurer

source/ranges.tex

@@ -7846,7 +7846,7 @@
 \begin{itemdescr}
 \pnum
 \effects
-Equivalent to: \tcode{return make_reverse_iterator(ranges::end(base_));}
+Equivalent to: \tcode{return make_reverse_iterator(ranges::end(\exposid{base_}));}
 \end{itemdescr}
 
 \indexlibrarymember{end}{reverse_view}%
@@ -7858,7 +7858,7 @@
 \begin{itemdescr}
 \pnum
 \effects
-Equivalent to: \tcode{return make_reverse_iterator(ranges::begin(base_));}
+Equivalent to: \tcode{return make_reverse_iterator(ranges::begin(\exposid{base_}));}
 \end{itemdescr}
 
 \rSec2[range.elements]{Elements view}