fix: new array element type compare with charType

Author: mdodovic

MJCompiler/src/rs/ac/bg/etf/pp1/CodeGenerator.java

@@ -897,7 +897,7 @@ public void visit(FactorArrayNewOperator factorArrayNewOperator) {
 // number of array elements has already been set on the exprStact (it is calculated earlier)
 Code.put(Code.newarray);
 
-if(factorArrayNewOperator.struct == Tab.charType) {
+if(factorArrayNewOperator.struct.getElemType() == Tab.charType) {
 // char-array
 Code.put(0);
 } else {