Netgraph warnings patch

[Alexey Slynko]

Hi,

1) Fix lvalues assignment (obtained from FreeBSD)
Index: ether/ng_ether.c
===================================================================
RCS file: /mnt/share/dragonfly-cvs/src/sys/netgraph/ether/ng_ether.c,v
retrieving revision 1.9
diff -u -r1.9 ng_ether.c
--- ether/ng_ether.c	14 Jan 2006 11:10:47 -0000	1.9
+++ ether/ng_ether.c	15 Jan 2006 23:38:24 -0000
@@ -67,7 +67,7 @@
 #include "ng_ether.h"
 
 #define IFP2AC(IFP)  ((struct arpcom *)IFP)
-#define IFP2NG(ifp)  ((struct ng_node *)((struct arpcom *)(ifp))->ac_netgraph)
+#define IFP2NG(ifp)  (IFP2AC((ifp))->ac_netgraph)
 
 /* Per-node private data */
 struct private {
Index: netgraph/ng_parse.c
===================================================================
RCS file: /mnt/share/dragonfly-cvs/src/sys/netgraph/netgraph/ng_parse.c,v
retrieving revision 1.6
diff -u -r1.6 ng_parse.c
--- netgraph/ng_parse.c	20 Feb 2005 12:49:34 -0000	1.6
+++ netgraph/ng_parse.c	15 Jan 2006 23:37:58 -0000
@@ -976,7 +976,7 @@
 		struct ng_parse_type subtype;
 
 		subtype = ng_parse_bytearray_subtype;
-		(const void *)subtype.private = type->info;
+		*(const void **)&subtype.private = type->info;
 		return ng_array_parse(&subtype, s, off, start, buf, buflen);
 	}
 }
@@ -988,7 +988,7 @@
 	struct ng_parse_type subtype;
 
 	subtype = ng_parse_bytearray_subtype;
-	(const void *)subtype.private = type->info;
+	*(const void **)&subtype.private = type->info;
 	return ng_array_unparse(&subtype, data, off, cbuf, cbuflen);
 }
 
@@ -999,7 +999,7 @@
 	struct ng_parse_type subtype;
 
 	subtype = ng_parse_bytearray_subtype;
-	(const void *)subtype.private = type->info;
+	*(const void **)&subtype.private = type->info;
 	return ng_array_getDefault(&subtype, start, buf, buflen);
 }