Fix ftpc crash

drivers/usb/usbcdc/Tupfile

@@ -0,0 +1,3 @@
+if tup.getconfig("NO_FASM") ~= "" then return end
+ROOT = "../../.."
+tup.rule("usbcdc.asm", "fasm %f %o " .. tup.getconfig("PESTRIP_CMD") .. tup.getconfig("KPACK_CMD"), "%B.sys")

programs/network/ftpc/gui.inc

@@ -470,10 +470,14 @@ gui: ;//////////////////////////////////////////////////////////////////////////
         dec     edx
         jnz     @b
 
+        inc     ecx
         lea     esi, [edi-1]
         lea     edi, [node_entry2+4]
       @@:
         movsb
+        dec     ecx
+        ; check if the file name is incomplete
+        jz      .store_last_entry
         cmp     word[esi], 0x0a0d ; end of entry
         jne     @b
         mov     byte[edi], 0