Fix two more cases of space to remove around em-dash

It is for this kind of reasons one shouldn't have newlines inside the source of a sentence (or paragraph)...

chapters/functions.tex

@@ -618,8 +618,7 @@ \subsubsection{Function Partial Application}\label{function-partial-application}
 end Sine2;
 area = quadrature(0, 1, integrand = function  Sine2(A=2, w=3));
 \end{lstlisting}
-The partially evaluated \lstinline!Sine2! has only one argument: \lstinline!x! ---
-and is thus type compatible with \lstinline!Integrand!.
+The partially evaluated \lstinline!Sine2! has only one argument: \lstinline!x!---and is thus type compatible with \lstinline!Integrand!.
 \end{example}
 
 \begin{example}

chapters/scoping.tex

@@ -734,12 +734,7 @@ \subsection{Generation of the flat equation system}\label{generation-of-the-flat
     If it is of a non-simple type the instance is recursively handled.
   \end{itemize}
 \item
-  If there are equation or algorithm sections in the class definition of
-  the instance, references are resolved using the instance scope of the
-  instance and are included in the equation system. Some references ---
-  in particular to non simple, non record objects like connectors in
-  connect statements and states in transition statements are not
-  resolved yet and handled afterwards.
+  If there are equation or algorithm sections in the class definition of the instance, references are resolved using the instance scope of the instance and are included in the equation system.  Some references---in particular to non simple, non record objects like connectors in connect statements and states in transition statements are not resolved yet and handled afterwards.
 \item
   Instances of local classes are ignored.
 \item