[master] 0954500dc Use VTCP_Assert() also in VTCP_close()

[Martin Blix Grydeland]

commit 0954500dcf1e302e60c479d0f2a0e573092f5228
Author: Martin Blix Grydeland <martin at varnish-software.com>
Date:   Wed Oct 7 14:35:23 2020 +0200

    Use VTCP_Assert() also in VTCP_close()
    
    Consistently use VTCP_Assert when asserting on the result of VTCP_Check().

diff --git a/lib/libvarnish/vtcp.c b/lib/libvarnish/vtcp.c
index bdd5d4e53..45f1c98b7 100644
--- a/lib/libvarnish/vtcp.c
+++ b/lib/libvarnish/vtcp.c
@@ -344,7 +344,7 @@ VTCP_close(int *s)
 
 	i = close(*s);
 
-	assert(VTCP_Check(i));
+	VTCP_Assert(i);
 	*s = -1;
 }