Auth_Default: Fix support for "Expire" from authentication sources.
Auth_Default: Fix support for "Expire" from authentication sources.

Thanks to Tim Ace for reporting this bug!

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@3103 44740490-163a-0410-bde0-09ae8108e29a

shoaibali/simplesamlphp,ghalse/simplesamlphp,sitya/simplesamlphp,BrettMerrick/simplesamlphp,sylvainmed/simplesamlphp,Kunstmaan/simplesamlphp,girgen/simplesamlphp,maytechnet/simplesamlphp,shoaibali/simplesamlphp,ghalse/simplesamlphp,dialogik/simplesamlphp,cwaldbieser/simplesamlphp,BrettMerrick/simplesamlphp,dialogik/simplesamlphp,sylvainmed/simplesamlphp,cwaldbieser/simplesamlphp,grnet/simplesamlphp,girgen/simplesamlphp,BrettMerrick/simplesamlphp,gtkrug/simplesamlphp,dnmvisser/simplesamlphp,madmatt/simplesamlphp,maytechnet/simplesamlphp,dzuelke/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,grnet/simplesamlphp,girgen/simplesamlphp,dnmvisser/simplesamlphp,dialogik/simplesamlphp,jschlyter/simplesamlphp,simplesamlphp/simplesamlphp,dzuelke/simplesamlphp,maytechnet/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,Kunstmaan/simplesamlphp,jschlyter/simplesamlphp,grnet/simplesamlphp,simplesamlphp/simplesamlphp,dzuelke/simplesamlphp,madmatt/simplesamlphp,Kunstmaan/simplesamlphp,sitya/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,jschlyter/simplesamlphp,gtkrug/simplesamlphp,jschlyter/simplesamlphp,ghalse/simplesamlphp,ghalse/simplesamlphp,sylvainmed/simplesamlphp,madmatt/simplesamlphp,simplesamlphp/simplesamlphp,dialogik/simplesamlphp,cwaldbieser/simplesamlphp,BrettMerrick/simplesamlphp,dialogik/simplesamlphp,girgen/simplesamlphp,madmatt/simplesamlphp,sitya/simplesamlphp,simplesamlphp/simplesamlphp,cwaldbieser/simplesamlphp,maytechnet/simplesamlphp,grnet/simplesamlphp,girgen/simplesamlphp,shoaibali/simplesamlphp,dnmvisser/simplesamlphp,gtkrug/simplesamlphp,sitya/simplesamlphp,Kunstmaan/simplesamlphp,sylvainmed/simplesamlphp,StudentLifeMarketingAndDesign/simplesamlphp,gtkrug/simplesamlphp,dzuelke/simplesamlphp,shoaibali/simplesamlphp,jschlyter/simplesamlphp,dnmvisser/simplesamlphp