[gnumeric] Tests: add test file for database functions.

[Morten Welinder <mortenw src gnome org>]

commit 7076b7e23550b73d8658ec22f5e0a4a7cd4c4879
Author: Morten Welinder <terra gnome org>
Date:   Thu Jun 9 21:35:45 2016 -0400

    Tests: add test file for database functions.
    
    Expected values not yet checked with Excel.

 samples/excel12/database.xlsx |  Bin 0 -> 5884 bytes
 1 files changed, 0 insertions(+), 0 deletions(-)
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diff --git a/samples/excel12/database.xlsx b/samples/excel12/database.xlsx
new file mode 100644
index 0000000..b11b05f
Binary files /dev/null and b/samples/excel12/database.xlsx differ