Remove unused variables

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>

Author: Ben Taylor

utilities/asn1write.c

@@ -72,8 +72,6 @@ static int mbedtls_asn1_write_len_and_tag(unsigned char **p,
                                           size_t len,
                                           unsigned char tag)
 {
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-
     MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_len(p, start, len));
     MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_tag(p, start, tag));
 
@@ -108,7 +106,6 @@ int mbedtls_asn1_write_null(unsigned char **p, const unsigned char *start)
 int mbedtls_asn1_write_oid(unsigned char **p, const unsigned char *start,
                            const char *oid, size_t oid_len)
 {
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t len = 0;
 
     MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_raw_buffer(p, start,
@@ -127,7 +124,6 @@ int mbedtls_asn1_write_algorithm_identifier_ext(unsigned char **p, const unsigne
                                                 const char *oid, size_t oid_len,
                                                 size_t par_len, int has_par)
 {
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t len = 0;
 
     if (has_par) {
@@ -195,7 +191,6 @@ int mbedtls_asn1_write_enum(unsigned char **p, const unsigned char *start, int v
 int mbedtls_asn1_write_tagged_string(unsigned char **p, const unsigned char *start, int tag,
                                      const char *text, size_t text_len)
 {
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t len = 0;
 
     MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_raw_buffer(p, start,
@@ -300,7 +295,6 @@ int mbedtls_asn1_write_bitstring(unsigned char **p, const unsigned char *start,
 int mbedtls_asn1_write_octet_string(unsigned char **p, const unsigned char *start,
                                     const unsigned char *buf, size_t size)
 {
-    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     size_t len = 0;
 
     MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_raw_buffer(p, start, buf, size));