tests: Fix typo in "write to same system file being read" test.

diff --git a/tests/data/sys-file.at b/tests/data/sys-file.at
index c321180a72d8f9ddf7ff523a4890c6bf654d0caf..721578e6a0aadf23048adaa846ba6ce35ca41502 100644 (file)
--- a/tests/data/sys-file.at
+++ b/tests/data/sys-file.at
@@ -125,7 +125,7 @@ LIST.
 ])
 AT_CHECK([pspp -O format=csv save3.sps], [0], [dnl
 Table: Data List
-X,Y
+x,y
 3,9.00
 ])
 AT_CLEANUP