added xlsx to gitignore

rubberduck203 · rubberduck203 · commit fa4de1be6e2f · 2015-06-28T12:09:03.000-04:00
diff --git a/.gitignore b/.gitignore
@@ -166,3 +166,4 @@ $RECYCLE.BIN/
 # Workbook for debugging
 *.xlsm
 Installers/
+*.xlsx
