Change a .PP request to a valid .Pp mdoc request, and remove an extra

(but commented out) .Sh HISTORY section heading.

MFC after:	3 days

lib/libgssapi/gss_add_cred.3

@@ -27,7 +27,7 @@
 .\"	$FreeBSD$
 .\"
 .\" The following commands are required for all man pages.
-.Dd November 12, 2005
+.Dd October 30, 2007
 .Os
 .Dt GSS_ADD_CRED 3 PRM
 .Sh NAME
@@ -86,7 +86,7 @@ is
 .Dv GSS_C_ACCEPT
 or
 .Dv GSS_C_BOTH ).
-.PP
+.Pp
 This routine is expected to be used primarily by context acceptors,
 since implementations are likely to provide mechanism-specific ways of
 obtaining GSS-API initiator credentials from the system login process.
@@ -301,7 +301,6 @@ No credentials were found for the specified name.
 Generic Security Service Application Program Interface Version 2, Update 1
 .It RFC 2744
 Generic Security Service API Version 2 : C-bindings
-.\" .Sh HISTORY
 .El
 .Sh HISTORY
 The

lib/libgssapi/gss_create_empty_oid_set.3

@@ -27,7 +27,7 @@
 .\"	$FreeBSD$
 .\"
 .\" The following commands are required for all man pages.
-.Dd November 12, 2005
+.Dd October 30, 2007
 .Os
 .Dt GSS_CREATE_EMPTY_OID_SET 3 PRM
 .Sh NAME
@@ -55,7 +55,6 @@ object identifiers for input to
 .It minor_status
 Mechanism specific status code.
 .It oid_set
-                     
 The empty object identifier set.
 The routine will allocate the gss_OID_set_desc object,
 which the application must free after use with a call to
@@ -75,7 +74,6 @@ Successful completion
 Generic Security Service Application Program Interface Version 2, Update 1
 .It RFC 2744
 Generic Security Service API Version 2 : C-bindings
-.\" .Sh HISTORY
 .El
 .Sh HISTORY
 The