fix syntax typo

Author: dcaddell

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    kubernetes_template_rendering (0.2.1.pre.dc.3)
+    kubernetes_template_rendering (0.2.1.pre.dc.4)
       activesupport
       invoca-utils
       jsonnet

lib/kubernetes_template_rendering/template_directory_renderer.rb

@@ -72,10 +72,12 @@ def wait_if_max_forked(child_pids)
         rescue SystemCallError # this will happen if they all exited before we called waitpid
         end
         child_pids.delete_if do |pid|
-          [_, exit_status] = Process.waitpid2(pid, Process::WNOHANG)
-          exit_status.success? or raise "Child process #{pid} failed"
-        rescue Errno::ECHILD # No child processes
-          true
+          begin
+            [_, exit_status] = Process.waitpid2(pid, Process::WNOHANG)
+            exit_status.success? or raise "Child process #{pid} failed"
+          rescue Errno::ECHILD # No child processes
+            true
+          end
         end
       end
     end

lib/kubernetes_template_rendering/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module KubernetesTemplateRendering
-  VERSION = "0.2.1.pre.dc.3"
+  VERSION = "0.2.1.pre.dc.4"
 end