unbreak the signal example links

signals.tex

@@ -480,8 +480,8 @@
 See manual page \texttt{signal.h(3HEAD)} on Linux or Solaris, the online SUS
 specification of the header file, or the book [POSIX.4], page
 \pageref{REF_PROGRAMMING}.  More information is also on page \pageref{POSIX} and
-\pageref{SIGWAITINFO}.  Examples: \example{sig\-nals/siginfo.c},
-\example{sig\-nals/sigqueue.c}.
+\pageref{SIGWAITINFO}.  Examples: \example{signals/siginfo.c},
+\example{signals/sigqueue.c}.
 \item \hlabel{IGNORE_SIG_CHLD} By ignoring \texttt{SIG\_CHILD} you say you will
 not wait for child processes and the system will still not accumulate zombies.
 \end{itemize}