platform rather than 'mingw'.
[Richard Levitte]
+ *) The functions X509_STORE_add_cert and X509_STORE_add_crl return
+ success if they are asked to add an object which already exists
+ in the store. This change cascades to other functions which load
+ certificates and CRLs.
+ [Paul Dale]
+
*) x86_64 assembly pack: annotate code with DWARF CFI directives to
facilitate stack unwinding even from assembly subroutines.
[Andy Polyakov]