quotefmtinstall() call seems to be redundant.

[came across this while trying to find out programs that quote
printed file names like ls and du.  i missed -Q option (ls(1))
in du (in pipelines) till i discovered this unquote mechanism:
	du -a | sed 's/^/echo /' | rc
]

Arvindh

Notes:
Wed Dec 21 02:37:09 EST 2005 glenda
    sorry, hadn't pulled c-no-number-sign patch.
    fixed now.


Reference: /n/sources/patch/applied/tar-redundant-call
Date: Tue Dec 20 21:56:44 CET 2005
Reviewed-by: rsc

--- /sys/src/cmd/tar.c	Tue Dec 20 21:53:52 2005
+++ /sys/src/cmd/tar.c	Tue Dec 20 22:02:02 2005
@@ -1023,7 +1023,6 @@
 	int errflg = 0;
 	char *ret = nil;
 
-	quotefmtinstall();
 	fmtinstall('M', dirmodefmt);
 
 	TARGBEGIN {