update mail/sylpheed from maintainer

diff --git a/mail/sylpheed/Makefile b/mail/sylpheed/Makefile
index 92bf15f0f54..854233d4e97 100644
--- a/mail/sylpheed/Makefile
+++ b/mail/sylpheed/Makefile
@@ -2,8 +2,7 @@

COMMENT = lightweight and user-friendly e-mail client

-DISTNAME = sylpheed-3.6.0
-REVISION = 1
+DISTNAME = sylpheed-3.7.0

SHARED_LIBS += sylph-0 4.0 # 3.0
SHARED_LIBS += sylpheed-plugin-0 4.0 # 3.0
@@ -30,7 +29,7 @@ WANTLIB += pixman-1 png pthread ssl ${COMPILER_LIBCXX} xcb
WANTLIB += xcb-render xcb-shm z

RUN_DEPENDS = devel/desktop-file-utils
-MASTER_SITES = http://sylpheed.sraoss.jp/sylpheed/v3.6/
+MASTER_SITES = http://sylpheed.sraoss.jp/sylpheed/v3.7/

CONFIGURE_STYLE = gnu
CONFIGURE_ARGS = --disable-compface \
diff --git a/mail/sylpheed/distinfo b/mail/sylpheed/distinfo
index 26ea33bfae5..807d0b906d9 100644
--- a/mail/sylpheed/distinfo
+++ b/mail/sylpheed/distinfo
@@ -1,2 +1,2 @@
-SHA256 (sylpheed-3.6.0.tar.gz) = Emyq5BiOQYaZZuQ9+LlIlV2VVfWHUsVXYTT/KDG3+68=
-SIZE (sylpheed-3.6.0.tar.gz) = 5346637
+SHA256 (sylpheed-3.7.0.tar.gz) = ZhmgFsKrdyzaTTdZj2daKrdH23I4ACldRA+6BMCOzNk=
+SIZE (sylpheed-3.7.0.tar.gz) = 5380897