[NF] Fix function vectorization with type casting.

Belonging to [master]:
  - #2508
  - OpenModelica/OpenModelica-testsuite#975

Author: perost

Compiler/NFFrontEnd/NFCall.mo

@@ -955,7 +955,7 @@ protected
       if listLength(exactMatches) == 1 then
         matchedFunc ::_ := exactMatches;
 
-        // Overwrite the actuall function name with the overload name
+        // Overwrite the actual function name with the overload name
         // for builtin functions.
         if Function.isBuiltin(matchedFunc.func) then
           func := matchedFunc.func;

Compiler/NFFrontEnd/NFFunction.mo

@@ -779,9 +779,7 @@ uniontype Function
         end if;
 
         (margexp, mty, matchKind) := TypeCheck.matchTypes(tmpty, compty, argexp, false);
-        // Allow only exact matches for vectorization.
-        // No casting, generic... matches alllowed (which are allowed for non-vected function matching)
-        correct := TypeCheck.isExactMatch(matchKind);
+        correct := TypeCheck.isValidArgumentMatch(matchKind);
         vectorized := true::vectorized;
       end if;