Fix for #2163:

- Fully qualify the paths to equalityConstraint functions so they can be found properly.


git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@16545 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Compiler/FrontEnd/Inst.mo

@@ -2803,6 +2803,7 @@ algorithm
       equation
         SOME(path) = Env.getEnvPath(env);
         path = Absyn.joinPaths(path, Absyn.IDENT("equalityConstraint"));
+        path = Absyn.makeFullyQualified(path);
         /*(cache, env,_) = implicitFunctionTypeInstantiation(cache, env, classDef);
         (cache, types,_) = Lookup.lookupFunctionsInEnv(cache, env, path, info);
         length = listLength(types);