submodule: fix confusing variable name

cmd_summary reads the output of git diff, but reads in the submodule path into a
variable called name.  Since this variable does not contain the name of the
submodule, but the path, rename it to be clearer what data it actually holds.

Signed-off-by: Brian M. Carlson <sandals@crustytoothpaste.net>
Acked-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-submodule.sh

@@ -1032,13 +1032,13 @@ cmd_summary() {
 	# Get modified modules cared by user
 	modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
 		sane_egrep '^:([0-7]* )?160000' |
-		while read mod_src mod_dst sha1_src sha1_dst status name
+		while read mod_src mod_dst sha1_src sha1_dst status sm_path
 		do
 			# Always show modules deleted or type-changed (blob<->module)
-			test $status = D -o $status = T && echo "$name" && continue
+			test $status = D -o $status = T && echo "$sm_path" && continue
 			# Also show added or modified modules which are checked out
-			GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
-			echo "$name"
+			GIT_DIR="$sm_path/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
+			echo "$sm_path"
 		done
 	)