Merge pull request #603 from stbergmann/paren-fix

[except.handle] Add missing closing parenthesis.

Author: zygoloid

source/exceptions.tex

@@ -471,7 +471,7 @@
 \item%
 a function pointer conversion~(\ref{conv.fctptr})
 \item%
-a qualification conversion~(\ref{conv.qual}, or
+a qualification conversion~(\ref{conv.qual}), or
 
 \end{itemize}