commit 1ebab45c2b53a9508c38ee253fd8b7ea1bd449b7
from: Martijn van Duren <martijn@openbsd.org>
date: Wed May 26 13:31:25 2021 UTC

Initialize prev.

From Maarten de Vries

commit - 2c88ced1adfb34a5ba4231b0a4f890234c9f3991
commit + 1ebab45c2b53a9508c38ee253fd8b7ea1bd449b7
blob - 6e6e7e5e27622bc80c0a461d13441d31db3e0b70
blob + 27cbf4b7f67fbbc86b56567208bb666bd625c54c
--- mheader.c
+++ mheader.c
@@ -522,7 +522,7 @@ osmtpd_mheader_skip_display_name(char *ptr, int option
 char *
 osmtpd_mheader_skip_obs_domain_list(char *ptr, int optional)
 {
-	char *start = ptr, *prev;
+	char *start = ptr, *prev = ptr;
 
 	while (1) {
 		if (ptr[0] == ',') {