Fixed some typos, courtesy of codespell

src/libstrongswan/plugins/openssl/openssl_util.h

@@ -59,7 +59,7 @@ bool openssl_fingerprint(EVP_PKEY *key, cred_encoding_type_t type, chunk_t *fp);
 
 /**
  * Concatenates two bignums into a chunk, thereby enforcing the length of
- * a single BIGNUM, if necessary, by pre-pending it with zeros.
+ * a single BIGNUM, if necessary, by prepending it with zeros.
  *
  * Note: this function allocates memory for the chunk
  *

src/libstrongswan/plugins/wolfssl/wolfssl_util.h

@@ -65,7 +65,7 @@ bool wolfssl_mp_split(chunk_t chunk, mp_int *a, mp_int *b);
 
 /**
  * Concatenates two integers into a chunk, thereby enforcing the length of
- * a single integer, if necessary, by pre-pending it with zeros.
+ * a single integer, if necessary, by prepending it with zeros.
  *
  * Note: this function allocates memory for the chunk
  *

src/libstrongswan/plugins/x509/x509_ocsp_response.h

@@ -43,7 +43,7 @@ struct x509_ocsp_response_t {
  * Generate a X.509 OCSP response.
  *
  * The resulting builder accepts:
- *  BUILD_OCSP_STATUS:      status from OCSP respnder
+ *  BUILD_OCSP_STATUS:      status from OCSP responder
  *  BUILD_OCSP_RESPONSES:   enumerator over the list of OCSP single responses
  *  BUILD_NONCE:            nonce extracted from the OCSP request
  *  BUILD_SIGNING_CERT:     certificate to create OCSP response signature