[char.traits]: Use "class template" instead of "struct template".

FrankHB · FrankHB · commit 3b580b26fe49 · 2015-05-03T00:36:05.000+08:00
diff --git a/source/strings.tex b/source/strings.tex
@@ -69,7 +69,7 @@
 \tcode{CharT}.
 
 \pnum
-This subclause specifies a struct template,
+This subclause specifies a class template,
 \tcode{char_traits<charT>},
 and four explicit specializations of it,
 \tcode{char_traits<\brk{}char>},
