txt_db: fix -Wunused-but-set-variable

The loop never uses the value of 'ln'.

Fixes this error with Clang 15:
```
crypto/txt_db/txt_db.c:24:10: error: variable 'ln' set but not used [-Werror,-Wunused-but-set-variable]
    long ln = 0;
         ^
1 error generated.
```

Signed-off-by: Sam James <sam@gentoo.org>

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19450)
This commit is contained in:
Sam James 2022-10-20 00:10:27 +01:00 committed by Tomas Mraz
parent 71bc497dc3
commit f9e8e2c0ab

View File

@ -21,7 +21,6 @@ TXT_DB *TXT_DB_read(BIO *in, int num)
{
TXT_DB *ret = NULL;
int esc = 0;
long ln = 0;
int i, add, n;
int size = BUFSIZE;
int offset = 0;
@ -61,7 +60,6 @@ TXT_DB *TXT_DB_read(BIO *in, int num)
}
buf->data[offset] = '\0';
BIO_gets(in, &(buf->data[offset]), size - offset);
ln++;
if (buf->data[offset] == '\0')
break;
if ((offset == 0) && (buf->data[0] == '#'))