Revert "Fix building with --coding=no/WOLFSSL_PEM_TO_DER undefined."

Author: julek-wolfssl

.github/workflows/os-check.yml

@@ -60,7 +60,6 @@ jobs:
           '--disable-sys-ca-certs',
           '--enable-all CPPFLAGS=-DWOLFSSL_DEBUG_CERTS ',
           '--enable-all CFLAGS="-DWOLFSSL_CHECK_MEM_ZERO"',
-          '--enable-coding=no',
         ]
     name: make check
     if: github.repository_owner == 'wolfssl'

src/ssl_certman.c

@@ -600,9 +600,6 @@ int wolfSSL_CertManagerLoadCABufferType(WOLFSSL_CERT_MANAGER* cm,
             ret = WOLFSSL_FATAL_ERROR;
         } else {
             if (format == WOLFSSL_FILETYPE_PEM) {
-            #ifndef WOLFSSL_PEM_TO_DER
-                ret = NOT_COMPILED_IN;
-            #else
                 ret = PemToDer(buff, sz, CERT_TYPE, &der, cm->heap, NULL, NULL);
                 if (!ret) {
                     /* Replace buffer pointer and size with DER buffer. */
@@ -613,7 +610,6 @@ int wolfSSL_CertManagerLoadCABufferType(WOLFSSL_CERT_MANAGER* cm,
                     WOLFSSL_ERROR(ret);
                     ret = WOLFSSL_FATAL_ERROR;
                 }
-            #endif
             }
 
             if (ret == WOLFSSL_SUCCESS) {