Adding .drawio to ignored license files

Change-Id: I2f92ee357a75fc0ec92c6cc9787da746bdf6eaec
diff --git a/jjb/shell/licensecheck.sh b/jjb/shell/licensecheck.sh
index 266180a..4708dc7 100755
--- a/jjb/shell/licensecheck.sh
+++ b/jjb/shell/licensecheck.sh
@@ -107,6 +107,7 @@
   ! -path "*conf*" \
   ! -path "*git*" \
   ! -path "*swagger*" \
+  ! -path "*.drawio" \
   -print0 )
 
 exit ${fail_licensecheck}