fix build

bug introduced in https://golang.org/cl/1886043

R=r
CC=golang-dev
https://golang.org/cl/1848047

src/cmd/8l/pass.c

@@ -300,13 +300,11 @@ loop:
 			p->pcond = q;
 		}
 		xfol(p->link);
-		if(a != ATEXT) {
 		q = brchain(p->pcond);
 		if(q->mark) {
 			p->pcond = q;
 			return;
 		}
-		}
 		p = q;
 		goto loop;
 	}