Ignore everything in vendor/ directory, rather than just *.go files

Change-Id: I93bd79beba44ddd5eb566a4ef7f9c54a70d3df6b
diff --git a/jjb/shell/licensecheck.sh b/jjb/shell/licensecheck.sh
index 7832d8f..f34f78e 100755
--- a/jjb/shell/licensecheck.sh
+++ b/jjb/shell/licensecheck.sh
@@ -95,7 +95,7 @@
   ! -name "Makefile" \
   ! -name "Makefile.*" \
   ! -name "README" \
-  ! -path "*/vendor/*.go" \
+  ! -path "*/vendor/*" \
   ! -path "*conf*" \
   ! -path "*git*" \
   ! -path "*swagger*" \