Add the asn1 corpora file for repro of memleak in rsa_priv_encode

$ ERROR_INJECT=1668583266 ../util/shlib_wrap.sh ./asn1-test ./corpora/asn1/fa3e83c6324c9ae936e6e66b09e155aae02d67ee
    #0 0x7f42fc532d4f in __sanitizer_print_stack_trace ../../../../src/libsanitizer/asan/asan_stack.cc:36
    openssl#1 0x55c2f6f48bf4 in my_realloc fuzz/test-corpus.c:129
    openssl#2 0x7f42fb1c91e7 in ASN1_STRING_set crypto/asn1/asn1_lib.c:297
    openssl#3 0x7f42fb1a6939 in asn1_string_set_int64 crypto/asn1/a_int.c:350
    openssl#4 0x7f42fb1a6939 in ASN1_INTEGER_set_int64 crypto/asn1/a_int.c:520
    openssl#5 0x7f42fb1dc399 in PKCS8_pkey_set0 crypto/asn1/p8_pkey.c:43
    openssl#6 0x7f42fb59def7 in rsa_priv_encode crypto/rsa/rsa_ameth.c:171
    openssl#7 0x7f42fb4b6994 in EVP_PKEY2PKCS8 crypto/evp/evp_pkey.c:71
    openssl#8 0x7f42fb1d9dfb in i2d_PrivateKey crypto/asn1/i2d_pr.c:23
    openssl#9 0x55c2f6f4814f in FuzzerTestOneInput fuzz/asn1.c:345
    openssl#10 0x55c2f6f48789 in testfile fuzz/test-corpus.c:182
    openssl#11 0x55c2f6f466ef in main fuzz/test-corpus.c:226
    openssl#12 0x7f42f9f32082 in __libc_start_main ../csu/libc-start.c:308
    openssl#13 0x55c2f6f4689d in _start (.../openssl-111-features/fuzz/asn1-test+0x889d)

=================================================================
==624788==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 46 byte(s) in 1 object(s) allocated from:
    #0 0x7f42fc525808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144
    openssl#1 0x7f42fb1eaa0b in asn1_item_flags_i2d crypto/asn1/tasn_enc.c:64
    openssl#2 0x7f42fb1eaa0b in ASN1_item_i2d crypto/asn1/tasn_enc.c:44
    openssl#3 0x7f42fb59ddea in rsa_priv_encode crypto/rsa/rsa_ameth.c:163
    openssl#4 0x7f42fb4b6994 in EVP_PKEY2PKCS8 crypto/evp/evp_pkey.c:71
    openssl#5 0x7f42fb1d9dfb in i2d_PrivateKey crypto/asn1/i2d_pr.c:23
    openssl#6 0x55c2f6f4814f in FuzzerTestOneInput fuzz/asn1.c:345
    openssl#7 0x55c2f6f48789 in testfile fuzz/test-corpus.c:182
    openssl#8 0x55c2f6f466ef in main fuzz/test-corpus.c:226
    openssl#9 0x7f42f9f32082 in __libc_start_main ../csu/libc-start.c:308

SUMMARY: AddressSanitizer: 46 byte(s) leaked in 1 allocation(s).

Author: bernd-edlinger