[PATCH] setupapi: Avoid passing a NULL source filename to SetupQueueDefaultCopy().

[Zebediah Figura]

Fixes a regression introduced by 705d3eed86f3ff96ee1190dbc694148c21c4939c.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47138

Signed-off-by: Zebediah Figura <z.figura12(a)gmail.com>
---
 dlls/setupapi/install.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/setupapi/install.c b/dlls/setupapi/install.c
index 8ebea56d9c..3ab918cb56 100644
--- a/dlls/setupapi/install.c
+++ b/dlls/setupapi/install.c
@@ -165,7 +165,7 @@ static BOOL copy_files_callback( HINF hinf, PCWSTR field, void *arg )
 
     if (field[0] == '@')  /* special case: copy single file */
         SetupQueueDefaultCopyW( info->queue, info->layout ? info->layout : hinf,
-                info->src_root ? info->src_root : src_root, NULL, field+1, info->copy_flags );
+                info->src_root ? info->src_root : src_root, field+1, field+1, info->copy_flags );
     else
         SetupQueueCopySectionW( info->queue, info->src_root ? info->src_root : src_root,
                 info->layout ? info->layout : hinf, hinf, field, info->copy_flags );
-- 
2.21.0