From ef22fd54597f7d916d5c1346a6d9c00ddf9cf10b Mon Sep 17 00:00:00 2001
From: Wolfgang Hottgenroth <w.hottgenroth@krohne.com>
Date: Thu, 11 Feb 2021 11:00:30 +0100
Subject: [PATCH] fix

---
 sink/sink20169.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sink/sink20169.c b/sink/sink20169.c
index 93e8384..1df95e9 100644
--- a/sink/sink20169.c
+++ b/sink/sink20169.c
@@ -308,7 +308,8 @@ int main(int argc, char **argv) {
 
     char *configFilename = DEFAULT_CONFIG_FILENAME;
 
-    while ((int c = getopt(argc, argv, "f:")) != -1) {
+    int c;
+    while ((c = getopt(argc, argv, "f:")) != -1) {
         switch (c) {
             case 'f':
                 configFilename = strdup(optarg);