From 7418da47034f94404a4f73af5328934b7ef5557a Mon Sep 17 00:00:00 2001
From: John Emmas <john@creativepost.co.uk>
Date: Sat, 10 Sep 2022 10:20:37 +0100
Subject: [PATCH] Add a missing #include

(needed for call to std::back_insert_iterator)
---
 libs/pbd/whitespace.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libs/pbd/whitespace.cc b/libs/pbd/whitespace.cc
index 631fad837f..de6420ffd1 100644
--- a/libs/pbd/whitespace.cc
+++ b/libs/pbd/whitespace.cc
@@ -17,6 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 #include <algorithm>
+#include <iterator>
 #include <ctype.h>
 
 #include "pbd/whitespace.h"