Fix loading of binary lib in bundler envs

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fast_woothee"
-version = "1.0.2"
+version = "1.0.3"
 authors = ["Ian Ker-Seymer <[email protected]>"]
 repository = "https://github.com/ianks/fast_woothee"
 publish = false

README.md

@@ -7,7 +7,9 @@ performant, and safe user-agent parsing.
 
 ## Installation
 
-Add this line to your application's Gemfile:
+Having Rust/Cargo installed is _optional_. If it is not installed, the gem will
+download the libs binary automatically. Simply add this line to your
+application's Gemfile:
 
 ```ruby
 gem 'fast_woothee'

fast_woothee.gemspec

@@ -6,7 +6,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = "fast_woothee"
-  spec.version       = "1.0.2"
+  spec.version       = "1.0.3"
   spec.authors       = ["Ian Ker-Seymer"]
   spec.email         = ["[email protected]"]
 

lib/fast_woothee.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 require 'thermite/fiddle'
 
+gem_root = File.dirname(File.dirname(__FILE__))
+
 Thermite::Fiddle.load_module 'initialize_fast_woothee',
-                             cargo_project_path: '.',
-                             ruby_project_path: '.'
+                             cargo_project_path: gem_root,
+                             ruby_project_path: gem_root

src/lib.rs

@@ -42,7 +42,7 @@ methods!(
 #[no_mangle]
 pub extern fn initialize_fast_woothee() {
     Class::new("FastWoothee", None).define(|itself| {
-        itself.const_set("VERSION", &RString::new("1.0.2").freeze());
+        itself.const_set("VERSION", &RString::new("1.0.3").freeze());
         itself.def_self("parse", parse);
         itself.def_self("crawler?", crawler);
     });