[PATCH] [klibc] dash: cd fix getpwd

From: maximilian attems <max <at> stro.at>

On review of klibc dash changes:
"Hmm, this breaks the non-glibc case. You're now returning a pointer to a
string on the stack which is illegal." Herbert Xu

Use upstream dash way.

Signed-off-by: maximilian attems <max <at> stro.at>
Cc: Herbert Xu <herbert <at> gondor.apana.org.au>
---
 usr/dash/cd.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/usr/dash/cd.c b/usr/dash/cd.c
index 8a23110..ba9a1bc 100644
--- a/usr/dash/cd.c
+++ b/usr/dash/cd.c
 <at>  <at>  -253,12 +253,13  <at>  <at>  getpwd()
 {
 #ifdef __GLIBC__
 	char *dir = getcwd(0, 0);
+	if (dir)
+		return dir;
 #else
 	char buf[PATH_MAX];
-	char *dir = getcwd(buf, sizeof(buf));
+	if(getcwd(buf, sizeof(buf)))
+		return savestr(buf);
 #endif