[PATCH] msi: check for return value of GetUserName (Coverity)

[Marcus Meissner]

Hi,

while this call cannot fail in the current advapi32 implementation,
just check for the return value. CID 5132

Ciao, Marcus
---
 dlls/msi/package.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/dlls/msi/package.c b/dlls/msi/package.c
index 1025607..bec7627 100644
--- a/dlls/msi/package.c
+++ b/dlls/msi/package.c
@@ -501,7 +501,8 @@ static UINT set_user_sid_prop( MSIPACKAGE *package )
     UINT r = ERROR_FUNCTION_FAILED;
 
     size = 0;
-    GetUserNameW( NULL, &size );
+    if (!GetUserNameW( NULL, &size ))
+	return r;
 
     user_name = msi_alloc( (size + 1) * sizeof(WCHAR) );
     if (!user_name)
-- 
1.7.1