initialise buf if wrong_info not used

f2e8488b · Dr. Stephen Henson · a3a06e65 · f2e8488b
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engines/e_chil.c engines/e_chil.c +2 -0

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--- a/engines/e_chil.c
+++ b/engines/e_chil.c
@@ -1313,6 +1313,8 @@ static int hwcrhk_insert_card(const char *prompt_info,
 		if (wrong_info && *wrong_info)
 			BIO_snprintf(buf, sizeof(buf)-1,
 				"Current card: \"%s\"\n", wrong_info);
+		else
+			buf[0] = 0;
 		ok = UI_dup_info_string(ui, buf);
 		if (ok >= 0 && prompt_info)
 			{