Minor style improvements

Signed-off-by: Chris Jones <christopher.jones@arm.com>

include/mbedtls/x509_crl.h

@@ -148,7 +148,7 @@ int mbedtls_x509_crl_parse_file( mbedtls_x509_crl *chain, const char *path );
  */
 int mbedtls_x509_crl_info( char *buf, size_t size, const char *prefix,
                    const mbedtls_x509_crl *crl );
-#endif
+#endif /* !MBEDTLS_X509_REMOVE_INFO */
 
 /**
  * \brief          Initialize a CRL (chain)

include/mbedtls/x509_crt.h

@@ -593,9 +593,7 @@ int mbedtls_x509_parse_subject_alt_name( const mbedtls_x509_buf *san_buf,
  */
 int mbedtls_x509_crt_info( char *buf, size_t size, const char *prefix,
                    const mbedtls_x509_crt *crt );
-#endif
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
 /**
  * \brief          Returns an informational string about the
  *                 verification status of a certificate.
@@ -610,7 +608,7 @@ int mbedtls_x509_crt_info( char *buf, size_t size, const char *prefix,
  */
 int mbedtls_x509_crt_verify_info( char *buf, size_t size, const char *prefix,
                           uint32_t flags );
-#endif
+#endif /* !MBEDTLS_X509_REMOVE_INFO */
 
 /**
  * \brief          Verify a chain of certificates.

include/mbedtls/x509_csr.h

@@ -136,7 +136,7 @@ int mbedtls_x509_csr_parse_file( mbedtls_x509_csr *csr, const char *path );
  */
 int mbedtls_x509_csr_info( char *buf, size_t size, const char *prefix,
                    const mbedtls_x509_csr *csr );
-#endif
+#endif /* !MBEDTLS_X509_REMOVE_INFO */
 
 /**
  * \brief          Initialize a CSR