[internet.address.v6] Add hyphenation hint to fix overfull line

Author: jwakely

src/internetprotocol.tex

@@ -1380,7 +1380,7 @@
 \tcode{address_v6} satisfies the requirements for \tcode{Destructible} (\CppXref{destructible}), \tcode{CopyConstructible} (\CppXref{copyconstructible}), and \tcode{CopyAssignable} (\CppXref{copyassignable}).
 
 \pnum
-\begin{note} The implementations of the functions \tcode{is_unspecified}, \tcode{is_loopback}, \tcode{is_multicast}, \tcode{is_link_local}, \tcode{is_site_local}, \tcode{is_v4_mapped}, \tcode{is_multicast_node_local}, \tcode{is_multicast_link_local}, \tcode{is_multi\-cast_site_local}, \tcode{is_multicast_org_local} and \tcode{is_multicast_global} are determined by [RFC4291]. \end{note}
+\begin{note} The implementations of the functions \tcode{is_unspecified}, \tcode{is_loopback}, \tcode{is_multicast}, \tcode{is_link_local}, \tcode{is_site_local}, \tcode{is_v4_mapped}, \tcode{is_multicast_node_local}, \tcode{is_multicast_link_local}, \tcode{is_mul\-ti\-cast_site_local}, \tcode{is_multicast_org_local} and \tcode{is_multicast_global} are determined by [RFC4291]. \end{note}
 
 
 \rSec2[internet.address.v6.bytes]{Struct \tcode{ip::address_v6::bytes_type}}