$NetBSD$

Fix unportable test(1) construct.

--- scripts/lcov-report.orig	2017-05-23 18:12:10.456599000 +0000
+++ scripts/lcov-report
@@ -11,7 +11,7 @@
 
 usage()
 {
-  test X$1 == X0 || exec >&2
+  test X$1 = X0 || exec >&2
   cat << EOF
 usage: coverage-report OPTIONS
 where OPTIONS are