Quiet HP/UX warning:

cc: "algchoic.h", line 74: warning 617: Redeclaration of tag "B_AlgorithmInfoType" ignored.
cc: "algchoic.h", line 74: warning 617: Redeclaration of tag "B_AlgorithmInfoType" ignored.

by removing:

struct B_AlgorithmInfoType;

because balgmeth.h already defines that struct tag.
(So does balg.h, but that isn't causing warnings.)

lib/dns/sec/dnssafe/algchoic.h

@@ -71,7 +71,6 @@ private:
   ResizeContext context;
 };
  */
-struct B_AlgorithmInfoType;
 
 typedef struct ResizeContext {
   struct {