Add ModelicaMatIO for MSL 3.2.1

If ModelicaStandardTables is specified, we add ModelicaMatIO because
the MSL version of ModelicaExternalC lacks some Mat_* variables if
we don't.

Compiler/SimCode/SimCodeFunctionUtil.mo

@@ -2148,15 +2148,20 @@ algorithm
       then (if System.os()=="Windows_NT" then {"-lfmilib","-lshlwapi"} else {"-lfmilib"},{});
 
     case Absyn.STRING(str)
-      equation
+      algorithm
+        if str=="ModelicaStandardTables" then
+          (strs,names) := getLibraryStringInGccFormat(Absyn.STRING("ModelicaMatIO"));
+        else
+          strs := {};
+          names := {};
+        end if;
         // If the string is a file, return it as it is
         // If the string starts with a -, it's probably -l or -L gcc flags
         if System.regularFileExists(str) or "-" == stringGetStringChar(str, 1) then
-          strs = {str};
-          names = {};
+          strs := str::strs;
         else
-          strs = {"-l" + str};
-          names = {str};
+          strs := ("-l" + str)::strs;
+          names := str::names;
         end if;
 
       then (strs,names);