Try to fix build

pb/build_rprotoc

@@ -8,7 +8,8 @@ RUBY_OUT=$TARGET/ruby
 command -v "bundle" || { echo >&2 "bundle is required but not installed.  Skipping ruby protocol buffers."; exit 0; }
 
 # creates a bin folder with 'rprotoc' command inside
-bundle install --binstubs 
+echo "skipping creation of binstubs as it breaks bin/ruby-protoc invocation below"
+# bundle install --binstubs 
 
 # die on error at this point
 set -e