Fix a little mess (Likecode{...} -> Like \code{...}) in recently added text.

Doc/lib/libsocket.tex

@@ -215,7 +215,7 @@ Connect to a remote socket at \var{address}.
 \end{funcdesc}
 
 \begin{funcdesc}{connect_ex}{address}
-Likecode{connect(\var{address})}, but return an error indicator
+Like \code{connect(\var{address})}, but return an error indicator
 instead of raising an exception.  The error indicator is 0 if the
 operation succeeded, otherwise the value of the \code{errno}
 variable.  This is useful e.g. for asynchronous connects.

Doc/libsocket.tex

@@ -215,7 +215,7 @@ Connect to a remote socket at \var{address}.
 \end{funcdesc}
 
 \begin{funcdesc}{connect_ex}{address}
-Likecode{connect(\var{address})}, but return an error indicator
+Like \code{connect(\var{address})}, but return an error indicator
 instead of raising an exception.  The error indicator is 0 if the
 operation succeeded, otherwise the value of the \code{errno}
 variable.  This is useful e.g. for asynchronous connects.