https://github.com/benhoyt/inih/pull/135

From 690fd8cb5a1c7db67e78b9e2543ff5a9fc733ce3 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Thu, 24 Mar 2022 23:32:46 +0000
Subject: [PATCH] meson.build: define version

Otherwise, the installed .pc file contains "Version: undefined".

Signed-off-by: Sam James <sam@gentoo.org>
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,7 @@
 project('inih',
     ['c'],
     license : 'BSD-3-Clause',
+    version : '54',
 )
 
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