From b62c37ea58482e0fc351659677c17f79c11557eb Mon Sep 17 00:00:00 2001
From: Cary R <cygcary@yahoo.com>
Date: Sun, 20 Dec 2020 12:51:14 -0800
Subject: [PATCH] Update to the latest GTKWave files

---
 vpi/fstapi.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/vpi/fstapi.c b/vpi/fstapi.c
index d311c756d..3cb4652c9 100644
--- a/vpi/fstapi.c
+++ b/vpi/fstapi.c
@@ -1806,6 +1806,7 @@ xc->already_in_flush = 0;
 static void *fstWriterFlushContextPrivate1(void *ctx)
 {
 struct fstWriterContext *xc = (struct fstWriterContext *)ctx;
+struct fstWriterContext *xc_parent;
 
 pthread_mutex_lock(&(xc->xc_parent->mutex));
 fstWriterFlushContextPrivate2(xc);
@@ -1816,10 +1817,11 @@ free(xc->curval_mem);
 free(xc->valpos_mem);
 free(xc->vchg_mem);
 tmpfile_close(&xc->tchn_handle, &xc->tchn_handle_nam);
+xc_parent = xc->xc_parent;
 free(xc);
 
-xc->xc_parent->in_pthread = 0;
-pthread_mutex_unlock(&(xc->xc_parent->mutex));
+xc_parent->in_pthread = 0;
+pthread_mutex_unlock(&(xc_parent->mutex));
 
 return(NULL);
 }