Added mssing find_package (sqlite REQUIRED)

catalogue/CMakeLists.txt

@@ -15,6 +15,8 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 cmake_minimum_required (VERSION 2.6)
 
+find_package (sqlite REQUIRED)
+
 set (CATALOGUE_LIB_SRC_FILES
   Catalogue.cpp
   ColumnNameToIdx.cpp