Fixed typo in previous change.

diff --git a/controls/listbox.c b/controls/listbox.c
index 5916a17..a4e70f9 100644
--- a/controls/listbox.c
+++ b/controls/listbox.c
@@ -1790,9 +1790,9 @@
                         continue;
 #undef ATTRIBS
                     if (!long_names && entry.cAlternateFileName[0])
-                        strcpyW( buffer + 1, entry.cAlternateFileName );
+                        strcpyW( buffer, entry.cAlternateFileName );
                     else
-                        strcpyW( buffer + 1, entry.cFileName );
+                        strcpyW( buffer, entry.cFileName );
                 }
                 if (!long_names) CharLowerW( buffer );
                 pos = LISTBOX_FindFileStrPos( hwnd, descr, buffer );