From 05d916ff22770506800ef44b7466e571dd015457 Mon Sep 17 00:00:00 2001
From: Robert Lipe <robertlipe@gpsbabel.org>
Date: Sun, 2 Dec 2018 23:35:53 -0600
Subject: [PATCH] Modernize bool use of true/false.

---
 interpolate.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/interpolate.cc b/interpolate.cc
index 2b34c669d..92ea66573 100644
--- a/interpolate.cc
+++ b/interpolate.cc
@@ -63,11 +63,11 @@ void InterpolateFilter::process()
     } else {
       track_add_head(rte_new);
     }
-    bool first = 1;
+    bool first = true;
     QUEUE_FOR_EACH(&rte_old->waypoint_list, elem2, tmp2) {
       Waypoint* wpt = reinterpret_cast<Waypoint *>(elem2);
       if (first) {
-        first = 0;
+        first = false;
       } else {
         if (opt_interval &&
             wpt->creation_time.toTime_t() - time1 > interval) {
-- 
2.30.2