Vitaly Perov : mpr: Don't set LastError if no error occured.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d7098d0f4fa829ab14fda359284aaecab506533a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=d7098d0f4fa829ab14fda359284aaecab506533a

Author: Vitaly Perov <vitperov at etersoft.ru>
Date:   Mon Jun  1 20:57:16 2009 +0400

mpr: Don't set LastError if no error occured.

---

 dlls/mpr/wnet.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/mpr/wnet.c b/dlls/mpr/wnet.c
index 241ea2f..cffa340 100644
--- a/dlls/mpr/wnet.c
+++ b/dlls/mpr/wnet.c
@@ -1949,7 +1949,7 @@ DWORD WINAPI WNetGetUniversalNameW ( LPCWSTR lpLocalPath, DWORD dwInfoLevel,
         break;
     }
 
-    SetLastError(err);
+    if (err != WN_NO_ERROR) SetLastError(err);
     return err;
 }