t0060: fix whitespace in "wc -c" invocation

Some platforms like to stick extra whitespace in the output
of "wc -c"; using the result without quotes gets the shell
to collapse the whitespace.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t0060-path-utils.sh

@@ -17,7 +17,7 @@ norm_path() {
 # which means that the path / accounts for this many characters:
 rootoff=$(test-path-utils normalize_path_copy / | wc -c)
 # Account for the trailing LF:
-if test "$rootoff" = 2; then
+if test $rootoff = 2; then
 	rootoff=	# we are on Unix
 else
 	rootoff=$(($rootoff-1))