control: B-D on opkbuild (>= 4.2.0)

As advised by ppt-mkpkgs.

1 files changed, 1 insertions, 1 deletions

diff --git a/control b/control
index dc7c51d..b2bf5b3 100644
--- a/control
+++ b/control
@@ -1,2 +1,2 @@
 Maintainer: Patrick McDermott <patrick.mcdermott@libiquity.com>
-Build-Depends: platconf-pkg-tools (>= 3.0.0)
+Build-Depends: opkbuild (>= 4.2.0), platconf-pkg-tools (>= 3.0.0)