Fix unused variable/function compilation warnings
This PR fixes a number of unused variable/function compilation warnings
that arise when using a config.h that does not define the macro
MBEDTLS_PEM_PARSE_C.
diff --git a/ChangeLog b/ChangeLog
index 5c580b0..e7abf55 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,9 @@
Bugfix
* Fix redefinition of macro ssl_set_bio to undefined symbol
mbedtls_ssl_set_bio_timeout in compat-1.3.h. #673
+ * Fix unused variable/function compilation warnings in pem.c, x509_crt.c and
+ x509_csr.c that are reported when building mbed TLS with a config.h that
+ does not define MBEDTLS_PEM_PARSE_C. #562
* Fixed multiple buffer overreads in mbedtls_pem_read_buffer() when parsing
the input string in PEM format to extract the different components. Found
by Eyal Itkin.