test: Rename dates.test output files so the get removed upon 'make distclean'
diff --git a/test/dates.test b/test/dates.test
index 9d75471..2865717 100755
--- a/test/dates.test
+++ b/test/dates.test
@@ -5,8 +5,8 @@
 DATASRC=$top_srcdir/test/data
 TESTFILE=7.plist
 DATAIN0=$DATASRC/$TESTFILE
-DATAOUT0=$top_builddir/test/data/$TESTFILE.bplist
-DATAOUT1=$top_builddir/test/data/$TESTFILE.xplist
+DATAOUT0=$top_builddir/test/data/$TESTFILE.bin
+DATAOUT1=$top_builddir/test/data/$TESTFILE.xml
 
 $top_builddir/tools/plistutil -i $DATAIN0 -o $DATAOUT0
 $top_builddir/tools/plistutil -i $DATAOUT0 -o $DATAOUT1