From 293c899cd4c7df1654f682ccf1f505c08a4db67c Mon Sep 17 00:00:00 2001
From: Alex Samuel <alex@alexsamuel.net>
Date: Sun, 9 Apr 2023 14:55:51 -0400
Subject: [PATCH] Add missing ctor.

---
 cxx/include/ora/lib/string_builder.hh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cxx/include/ora/lib/string_builder.hh b/cxx/include/ora/lib/string_builder.hh
index 781c2d2..a43d9ce 100644
--- a/cxx/include/ora/lib/string_builder.hh
+++ b/cxx/include/ora/lib/string_builder.hh
@@ -27,6 +27,12 @@ public:
   operator char const*() const { return buffer_; }
   std::string str() const { return std::string(buffer_, length_); }
 
+  ~StringBuilder()
+  {
+    if (buffer_ != nullptr)
+      free(buffer_);
+  }
+
   StringBuilder&
   operator<<(
     char c)