liblink: fix warnings on Plan 9

warning: /usr/go/src/liblink/asm5.c:720 set and not used: m
warning: /usr/go/src/liblink/asm5.c:807 set and not used: c

LGTM=minux
R=minux
CC=golang-codereviews
https://golang.org/cl/108570043

diff --git a/src/liblink/asm5.c b/src/liblink/asm5.c
index ad90a8b3b67aa8dca2e2774f6e0c3881ee661799..26f567172c34cd5b014431e4bcce3b09eaafd3de 100644 (file)
--- a/src/liblink/asm5.c
+++ b/src/liblink/asm5.c
@@ -717,7 +717,6 @@ span5(Link *ctxt, LSym *cursym)
                ctxt->curp = p;
                p->pc = c;
                o = oplook(ctxt, p);
-               m = o->size;
                if(ctxt->headtype != Hnacl) {
                        m = o->size;
                } else {
@@ -800,12 +799,10 @@ span5(Link *ctxt, LSym *cursym)
                        }
  */
                        opc = p->pc;
-                       if(ctxt->headtype != Hnacl) {
+                       if(ctxt->headtype != Hnacl)
                                m = o->size;
-                       } else {
+                       else
                                m = asmoutnacl(ctxt, c, p, o, nil);
-                               c = p->pc; // asmoutnacl might change pc for alignment
-                       }
                        if(p->pc != opc) {
                                bflag = 1;
                                //print("%P pc changed %d to %d in iter. %d\n", p, opc, (int32)p->pc, times);