SAMLBuilder: Fix error with AttributeAuthorityDescriptor.
SAMLBuilder: Fix error with AttributeAuthorityDescriptor.

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@2517 44740490-163a-0410-bde0-09ae8108e29a

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