Fixed typo.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7613 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/exp-drd/drd_error.c b/exp-drd/drd_error.c
index fb6a23d..fdf9b0e 100644
--- a/exp-drd/drd_error.c
+++ b/exp-drd/drd_error.c
@@ -255,7 +255,7 @@
    }
    else
    {
-      VG_(message)(Vg_UserMsg, "Allocation context: unknown.\n");
+      VG_(message)(Vg_UserMsg, "Allocation context: unknown.");
    }
    thread_report_conflicting_segments(VgThreadIdToDrdThreadId(dri->tid),
                                       dri->addr, dri->size, dri->access_type);