Ignore *.desc compiled protobuf files for license check

Change-Id: I45d30cc270bf58cc50686682d7f5aac1bc720cbe
diff --git a/jjb/shell/licensecheck.sh b/jjb/shell/licensecheck.sh
index e40802a..d0b2347 100755
--- a/jjb/shell/licensecheck.sh
+++ b/jjb/shell/licensecheck.sh
@@ -31,6 +31,7 @@
   ! -name "*.curl" \
   ! -name "*.db" \
   ! -name "*.der" \
+  ! -name "*.desc" \
   ! -name "*.diff" \
   ! -name "*.dnsmasq" \
   ! -name "*.do" \