debian: restore libgmime-3.0 build dependency

It's now available in stretch backports, and gmime-2.6 support is
deprecated by notmuch.

diff --git a/debian/control b/debian/control
index 4c317c2242f1de8bce2788e09bfbd5f40e85cbfa..79073265a5a0b19709dc811b1e1519047c90df85 100644 (file)
--- a/debian/control
+++ b/debian/control
@@ -12,7 +12,7 @@ Build-Depends:
  debhelper (>= 10~),
  pkg-config,
  libxapian-dev,
- libgmime-2.6-dev (>= 2.6.7~),
+ libgmime-3.0-dev (>= 3.0.3~) | libgmime-2.6-dev (>= 2.6.7~),
  libtalloc-dev,
  libz-dev,
  python-all (>= 2.6.6-3~),