make it valid of all exec syscalls

Author: Vladimir Kotal

proc.tex

@@ -605,7 +605,7 @@
 int \funnm{execl}(const char *\emph{path}, const char *\emph{arg0}, ... );}
 ]]])
 \begin{itemize}
-\item successful \funnm{execl} never returns as the new process (program) fully
+\item successful \funnm{exec} never returns as the new process (program) fully
 replaced the address space of the calling process
 \begin{itemize}
 \item ...the original place to return to no longer exists