Ignore libcrypto.ld and libssl.ld

These are auto generated files that should not be checked into git
Reviewed-by: NRichard Levitte <levitte@openssl.org>
Reviewed-by: NPaul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/7339)

.gitignore

@@ -82,8 +82,8 @@ Makefile
 /util/shlib_wrap.sh
 /tags
 /TAGS
-/libcrypto.map
-/libssl.map
+*.map
+*.ld
 
 # Windows (legacy)
 /tmp32