sync staff datasize-cur with default

ok deraadt@

src/etc/etc.hppa/login.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: login.conf,v 1.7 2019/02/10 01:50:21 deraadt Exp $
+# $OpenBSD: login.conf,v 1.8 2019/02/19 01:51:31 jsg Exp $
 
 #
 # Sample login.conf file.  See login.conf(5) for details.
@@ -71,7 +71,7 @@ daemon:\
 # Staff have fewer restrictions and can login even when nologins are set.
 #
 staff:\
-	:datasize-cur=512M:\
+	:datasize-cur=768M:\
 	:datasize-max=infinity:\
 	:maxproc-max=512:\
 	:maxproc-cur=128:\

src/etc/etc.sparc64/login.conf

@@ -1,4 +1,4 @@
-# $OpenBSD: login.conf,v 1.8 2019/02/03 00:25:14 deraadt Exp $
+# $OpenBSD: login.conf,v 1.9 2019/02/19 01:51:31 jsg Exp $
 
 #
 # Sample login.conf file.  See login.conf(5) for details.
@@ -71,7 +71,7 @@ daemon:\
 # Staff have fewer restrictions and can login even when nologins are set.
 #
 staff:\
-	:datasize-cur=512M:\
+	:datasize-cur=768M:\
 	:datasize-max=infinity:\
 	:maxproc-max=512:\
 	:maxproc-cur=128:\