package/msmtp: fix configure with openssl/gnutls

Since the bump of msmtp from 1.6.6 to 1.8.0 in commit
b68ad1b2d0d1c290489e0b4e1afec46b8220a8b9 ("msmtp: bump to version
1.8.0"), the configure option to select the SSL/TLS implementation is
no longer --with-ssl, but --with-tls.

Signed-off-by: Ryan Coe <bluemrp9@gmail.com>
[Thomas: improve commit log]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/msmtp/msmtp.mk

@@ -41,17 +41,17 @@ MSMTP_CONF_OPTS += --without-libsecret
 endif
 
 ifeq ($(BR2_PACKAGE_OPENSSL),y)
-MSMTP_CONF_OPTS += --with-ssl=openssl
+MSMTP_CONF_OPTS += --with-tls=openssl
 MSMTP_DEPENDENCIES += openssl
 ifeq ($(BR2_STATIC_LIBS),y)
 # openssl uses zlib, so we need to explicitly link with it when static
 MSMTP_CONF_ENV += LIBS=-lz
 endif
 else ifeq ($(BR2_PACKAGE_GNUTLS),y)
-MSMTP_CONF_OPTS += --with-ssl=gnutls
+MSMTP_CONF_OPTS += --with-tls=gnutls
 MSMTP_DEPENDENCIES += gnutls
 else
-MSMTP_CONF_OPTS += --with-ssl=no
+MSMTP_CONF_OPTS += --with-tls=no
 endif
 
 $(eval $(autotools-package))