fix short option string to be nil terminated

1 files changed, 1 insertions, 0 deletions

diff --git a/src/apk.c b/src/apk.c
index f4e510f..ef1dcd8 100644
--- a/src/apk.c
+++ b/src/apk.c
@@ -562,6 +562,7 @@ int main(int argc, char **argv)
 				*(sopt++) = ':';
 		}
 	}
+	*(sopt++) = 0;
 
 	init_openssl();
 	setup_automatic_flags();