[WWcvs] webwork2: minor change toward finding the apache root url

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

Log Message:
-----------
minor change toward finding the apache root url

Modified Files:
--------------
    webwork2/lib/WeBWorK:
        PG.pm

Revision Data
-------------
Index: PG.pm
===================================================================
RCS file: /webwork/cvs/system/webwork2/lib/WeBWorK/PG.pm,v
retrieving revision 1.77
retrieving revision 1.78
diff -Llib/WeBWorK/PG.pm -Llib/WeBWorK/PG.pm -u -r1.77 -r1.78
--- lib/WeBWorK/PG.pm
+++ lib/WeBWorK/PG.pm
@@ -167,7 +167,7 @@
 	$envir{jsMathURL}              = $ce->{webworkURLs}->{jsMath};
 	$envir{asciimathURL}	       = $ce->{webworkURLs}->{asciimath};
 	$envir{LaTeXMathMLURL}	       = $ce->{webworkURLs}->{LaTeXMathML};
-	$envir{server_root_url}        = $ce->{apache_root_url};
+	$envir{server_root_url}        = $ce->{apache_root_url}|| 'foo_bar';
 	
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