debian: 'make check' needs sqlite3, add to Build-Depends

At some point we should rather offer DB bootstrap as a DB API function instead
of an external .sql file, which would remove the dep on the sqlite3 binary.
For now, we need the binary to build debian packages for the 'make check' step.

Change-Id: I71938dff688675dcf1dbfbce2feb8b72b1de0910
diff --git a/debian/control b/debian/control
index 7104c37..d3a32c5 100644
--- a/debian/control
+++ b/debian/control
@@ -11,7 +11,8 @@
                libosmocore-dev,
                libosmo-abis-dev,
                libosmo-netif-dev,
-               libsqlite3-dev
+               libsqlite3-dev,
+               sqlite3
 Standards-Version: 3.9.6
 Vcs-Browser: http://cgit.osmocom.org/osmo-hlr
 Vcs-Git: git://git.osmocom.org/osmo-hlr