Marcus Meissner : pdh: Fixed wrong condition.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 22aed3267b27667e87dc7654f838621abc0337ad
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=22aed3267b27667e87dc7654f838621abc0337ad

Author: Marcus Meissner <marcus at jet.franken.de>
Date:   Sat Jan 26 09:43:10 2008 +0100

pdh: Fixed wrong condition.

---

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

diff --git a/dlls/pdh/pdh_main.c b/dlls/pdh/pdh_main.c
index a7aa21b..d78af4a 100644
--- a/dlls/pdh/pdh_main.c
+++ b/dlls/pdh/pdh_main.c
@@ -873,7 +873,7 @@ PDH_STATUS WINAPI PdhLookupPerfNameByIndexW( LPCWSTR machine, DWORD index, LPWST
         return PDH_CSTATUS_NO_MACHINE;
     }
 
-    if (!buffer && !size) return PDH_INVALID_ARGUMENT;
+    if (!buffer || !size) return PDH_INVALID_ARGUMENT;
     if (!index) return ERROR_SUCCESS;
 
     for (i = 0; i < sizeof(counter_sources) / sizeof(counter_sources[0]); i++)