From 0b30b8ce10facdcea50597e0ec5d5c65c24c25bb Mon Sep 17 00:00:00 2001
From: Jakob Dietrich <jakibaki@live.com>
Date: Sat, 7 Jul 2018 10:44:33 +0200
Subject: [PATCH] getopt_long returns an int, not a char.

---
 main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 2111525..692bc5b 100644
--- a/main.c
+++ b/main.c
@@ -121,7 +121,7 @@ int main(int argc, char **argv) {
 
     while (1) {
         int option_index;
-        char c;
+        int c;
         static struct option long_options[] = 
         {
             {"extract", 0, NULL, 'x'},