Fix git-clone buglet for remote case.

c2f599e09f introduced a buglet while
cloning from a remote URL; we forgot to squelch the unnecessary
error message when we try to cd to the given "remote" name,
in order to see if it is a local directory.

Signed-off-by: Junio C Hamano <junkio@cox.net>

git-clone.sh

@@ -22,10 +22,10 @@ get_repo_base() {
 		cd "`/bin/pwd`" &&
 		cd "$1" &&
 		{
-			cd .git 2>/dev/null
+			cd .git
 			pwd
 		}
-	)
+	) 2>/dev/null
 }
 
 if [ -n "$GIT_SSL_NO_VERIFY" ]; then