cmd/7g: fix build breakage

Update cmd/7g to match the other compilers. Fixes build break in rev 6582d1cf.

Change-Id: I449613cf348254e9de6cc7a6b7737e43ea7d10fe
Reviewed-on: https://go-review.googlesource.com/7580Reviewed-by: Dave Cheney <dave@cheney.net>

src/cmd/7g/ggen.go

@@ -76,7 +76,7 @@ func zerorange(p *obj.Prog, frame int64, lo int64, hi int64) *obj.Prog {
 		p.Reg = ppc64.REGSP
 		p = appendpp(p, obj.ADUFFZERO, obj.TYPE_NONE, 0, 0, obj.TYPE_MEM, 0, 0)
 		f := gc.Sysfunc("duffzero")
-		p.To = gc.Naddr(f, 1)
+		p.To = gc.Naddr(f)
 		gc.Afunclit(&p.To, f)
 		p.To.Offset = 4 * (128 - cnt/int64(gc.Widthptr))
 	} else {

src/cmd/7g/gsubr.go

@@ -700,10 +700,10 @@ func gins(as int, f *gc.Node, t *gc.Node) *obj.Prog {
 
 	at := obj.Addr(obj.Addr{})
 	if f != nil {
-		af = gc.Naddr(f, 1)
+		af = gc.Naddr(f)
 	}
 	if t != nil {
-		at = gc.Naddr(t, 1)
+		at = gc.Naddr(t)
 	}
 	p := (*obj.Prog)(gc.Prog(as))
 	if f != nil {