core: Fix a LF problem in the new debug fucntion.
core: Fix a LF problem in the new debug fucntion.

* src/debug.c (_gpgme_debug): Print a LF for an empty FORMAT unless we
are in legacy mode.

gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme,gpg/gpgme