Remove bogus executable permissions on xlog.c.

Apparently fat-fingered in 1a3d104475ce01326fc00601ed66ac4d658e37e5.
Noted by Peter Geoghegan.

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
old mode 100755 (executable)
new mode 100644 (file)