Supporting C generated files

Change-Id: I19fab9f285c8033e45bb86fb4347f846ce88d46c
diff --git a/jjb/shell/licensecheck.sh b/jjb/shell/licensecheck.sh
index 4708dc7..160ee8b 100755
--- a/jjb/shell/licensecheck.sh
+++ b/jjb/shell/licensecheck.sh
@@ -108,6 +108,8 @@
   ! -path "*git*" \
   ! -path "*swagger*" \
   ! -path "*.drawio" \
+  ! -name "*.pb.h" \
+  ! -name "*.pb.cc" \
   -print0 )
 
 exit ${fail_licensecheck}