json-writer.h: add missing include (hdr-check)

ramsay-jones · gitster · commit bc2133c9d3eb · 2018-09-20T11:50:00.000-07:00
Signed-off-by: Ramsay Jones &lt;ramsay@ramsayjones.plus.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/json-writer.h b/json-writer.h
@@ -42,6 +42,8 @@
  * of the given strings.
  */
 
+#include "strbuf.h"
+
 struct json_writer
 {
 	/*
