add a special hack just for AIX

pam/pam.spec

@@ -86,6 +86,10 @@ Provides:     PAM
         pam_*    ) pam_modpfx="" ;;
         /*/pam_* ) pam_modpfx=`echo $mod | sed 's;^\(/.*/\)pam_[^/]*$;\1;'` ;;
     esac
+    if [ ".$pam_modpfx" = . -a -d /usr/lib/security ]; then
+        #   extra hack for AIX
+        pam_modpfx="/usr/lib/security"
+    fi
 
     #   search for include directory
     for incdir in \