Do not show errors when moving file. The error is shown the first time anyone
runs `utils/cvsupdate' since there is no `cvs.out' file for mv to move, and it
is reported as such.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6330 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/cvsupdate b/utils/cvsupdate
index e661266..f09cd2f 100755
--- a/utils/cvsupdate
+++ b/utils/cvsupdate
@@ -32,7 +32,7 @@
 end
 
 if ($doit == 1) then
-    /bin/mv -f cvs.out cvs.out.bak
+    /bin/mv -f cvs.out cvs.out.bak >&/dev/null
     cvs update -P -d >& cvs.out
 ##    if ($status != 0) then
 ##        echo "ERROR: CVS update failed: "