saml: Fix detection of datastore in SAML2 AssertionConsumerService.
saml: Fix detection of datastore in SAML2 AssertionConsumerService.

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@2527 44740490-163a-0410-bde0-09ae8108e29a

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