saml:SP: Fix NameID and SessionIndex access from authproc filter on saml:sp.
saml:SP: Fix NameID and SessionIndex access from authproc filter on saml:sp.

git-svn-id: a243b28a2a52d65555a829a95c8c333076d39ae1@2678 44740490-163a-0410-bde0-09ae8108e29a

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