[WWcvs] webwork2: set a default value for hardcopy_format if it's not given.

[Sam H. v. a. <we...@ma...>]

Log Message:
-----------
set a default value for hardcopy_format if it's not given.

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

Revision Data
-------------
Index: Hardcopy.pm
===================================================================
RCS file: /webwork/cvs/system/webwork2/lib/WeBWorK/ContentGenerator/Hardcopy.pm,v
retrieving revision 1.62
retrieving revision 1.63
diff -Llib/WeBWorK/ContentGenerator/Hardcopy.pm -Llib/WeBWorK/ContentGenerator/Hardcopy.pm -u -r1.62 -r1.63
--- lib/WeBWorK/ContentGenerator/Hardcopy.pm
+++ lib/WeBWorK/ContentGenerator/Hardcopy.pm
@@ -103,6 +103,9 @@
 	if ($generate_hardcopy) {
 		my $validation_failed = 0;
 		
+		# set default format
+		$hardcopy_format = $HC_DEFAULT_FORMAT unless defined $hardcopy_format;
+		
 		# make sure format is valid
 		unless (grep { $_ eq $hardcopy_format } keys %HC_FORMATS) {
 			$self->addbadmessage("'$hardcopy_format' is not a valid hardcopy format.");