fix "declared and not used" in tests;
also template/template.go, missed last time.

R=r
DELTA=116  (61 added, 10 deleted, 45 changed)
OCL=34620
CL=34622
diff --git a/test/fixedbugs/bug145.go b/test/fixedbugs/bug145.go
index 0b41ab5..c59bceb 100644
--- a/test/fixedbugs/bug145.go
+++ b/test/fixedbugs/bug145.go
@@ -9,7 +9,8 @@
 type t int
 
 func main() {
-	t := 0
+	t := 0;
+	_ = t;
 }
 
 /*