Fix bug 4649

Author: gajennings

OpenProblemLibrary/FortLewis/Algebra/4-5-Functions-and-modeling/MCH1-4-5-12-Functions-and-modeling.pg

@@ -44,7 +44,7 @@ $showPartialCorrectAnswers = 1;
 Context("Numeric");
 #Context("Fraction-NoDecimals");
 Context()->strings->remove("NONE");
-Context()->strings->add("NO"=>{},"N"=>{alias=>"no"},"NONE"=>{alias=>"no"});
+Context()->strings->add("NO"=>{},"N"=>{alias=>"NO"},"NONE"=>{alias=>"NO"});
 
 $a = random(2,9,1);
 $b = random(2,9,1);
@@ -65,7 +65,7 @@ $BR
 END_TEXT
 Context()->normalStrings;
 
-ANS(Compute("no")->cmp() );
+ANS(Compute("NO")->cmp() );
 
 
 ;