fix inverted logic

Author: chouquette

tasks/pkg-windows.yml

@@ -26,7 +26,7 @@
   set_fact:
     agent_datadog_skip_install: >-
       {{ agent_config_install_args.exists and
-      agent_config_install_args.value != agent_win_install_args }}
+      agent_config_install_args.value == agent_win_install_args }}
   when: agent_datadog_skip_install
 
 - name: Download windows datadog agent 614 fix script