depending on job fork configuration use a specific hook

this should allow jobs that run inline to still have the app_type set
correctly as before_first_fork is always called regardless of forking
per worker or not. When forking is used for the jobs then the
configuration will only be set in the forked worker

lib/bugsnag/resque.rb

@@ -37,7 +37,14 @@ def save
 # Auto-load the failure backend
 Bugsnag::Resque.add_failure_backend
 
-Resque.after_fork do
-  Bugsnag.configuration.app_type = "resque"
-  Bugsnag.configuration.default_delivery_method = :synchronous
+if Resque::Worker.new.fork_per_job?
+  Resque.after_fork do
+    Bugsnag.configuration.app_type = "resque"
+    Bugsnag.configuration.default_delivery_method = :synchronous
+  end
+else
+  Resque.before_first_fork do
+    Bugsnag.configuration.app_type = "resque"
+    Bugsnag.configuration.default_delivery_method = :synchronous
+  end
 end