treewide: Add SPDX license identifier for more missed files
[linux-2.6-block.git] / net / ipv4 / netfilter / nf_nat_pptp.c
index e17b4ee7604c98a732229175dd3ea8e109c3fb0f..b2aeb7bf5dacc8cf61951bd1118c968c497ea1a5 100644 (file)
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * nf_nat_pptp.c
  *