From 439bc06423f940de06eb1f9cd77c06fe8b190f0a Mon Sep 17 00:00:00 2001
From: Patrick Pelissier <patrick.pelissier@gmail.com>
Date: Sun, 12 Jul 2020 00:32:09 +0200
Subject: [PATCH] Fix unused value warning

---
 m-serial-json.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/m-serial-json.h b/m-serial-json.h
index 4578e734..9410cc7d 100644
--- a/m-serial-json.h
+++ b/m-serial-json.h
@@ -345,7 +345,8 @@ m_serial_json_read_float(m_serial_read_t serial, long double *r, const size_t si
 static inline  m_serial_return_code_t
 m_serial_json_read_string(m_serial_read_t serial, struct string_s *s){
   FILE *f = (FILE*) serial->data[0].p;
-  m_core_fscanf(f, " "); // Skip any leading spaces.
+  int n = m_core_fscanf(f, " "); // Skip any leading spaces.
+  (void) n; // Unused return value.
   return string_in_str(s, f) ? M_SERIAL_OK_DONE : m_core_serial_fail();
 }