Replaced lstrlen/lstrcmp by libc equivalents everywhere we don't need
to trap exceptions.

diff --git a/win32/device.c b/win32/device.c
index d087de7..0ce2673 100644
--- a/win32/device.c
+++ b/win32/device.c
@@ -321,7 +321,7 @@
     const struct VxDInfo *info;
 
     for (info = VxDList; info->name; info++)
-        if (!lstrcmpiA( info->name, filename ))
+        if (!strncasecmp( info->name, filename, strlen(info->name) ))
             return FILE_CreateDevice( info->id | 0x10000, access, sa );
 
     FIXME( "Unknown VxD %s\n", filename);