[WWcvs] webwork2: Fixed minor bug that complains if the problem-maxattempts field is not numeric.

[Mike G. v. a. <we...@ma...>]

Log Message:
-----------
Fixed minor bug that complains if the problem-maxattempts field is not numeric.

Tags:
----
rel-2-4-patches

Modified Files:
--------------
    webwork2/lib/WeBWorK/ContentGenerator:
        ProblemSet.pm

Revision Data
-------------
Index: ProblemSet.pm
===================================================================
RCS file: /webwork/cvs/system/webwork2/lib/WeBWorK/ContentGenerator/ProblemSet.pm,v
retrieving revision 1.88.2.1.2.1
retrieving revision 1.88.2.1.2.2
diff -Llib/WeBWorK/ContentGenerator/ProblemSet.pm -Llib/WeBWorK/ContentGenerator/ProblemSet.pm -u -r1.88.2.1.2.1 -r1.88.2.1.2.2
--- lib/WeBWorK/ContentGenerator/ProblemSet.pm
+++ lib/WeBWorK/ContentGenerator/ProblemSet.pm
@@ -385,7 +385,7 @@
 	
 	my $interactive = CGI::a({-href=>$interactiveURL}, "Problem $problemID");
 	my $attempts = $problem->num_correct + $problem->num_incorrect;
-	my $remaining = $problem->max_attempts < 0
+	my $remaining = (($problem->max_attempts||-1) < 0) #a blank yields 'infinite' because it evaluates as false with out giving warnings about comparing non-numbers
 		? "unlimited"
 		: $problem->max_attempts - $attempts;
 	my $rawStatus = $problem->status || 0;