Don't hardcode C:\windows\system\start.exe.

diff --git a/programs/winemenubuilder/winemenubuilder.c b/programs/winemenubuilder/winemenubuilder.c
index a2d1365..82c3063 100644
--- a/programs/winemenubuilder/winemenubuilder.c
+++ b/programs/winemenubuilder/winemenubuilder.c
@@ -769,7 +769,9 @@
     {
         /* if there's no path... try run the link itself */
         WideCharToMultiByte( CP_ACP, 0, link, -1, szArgs, MAX_PATH, NULL, NULL );
-        strcpy(szPath, "C:\\Windows\\System\\start.exe");
+        GetWindowsDirectoryA(szPath, MAX_PATH);
+        strncat(szPath, "\\command\\start.exe",
+                MAX_PATH - GetWindowsDirectoryA(NULL, 0));
     }
 
     link_name = cleanup_link( &link[ofs] );