Fixes geerlingguy#213: Don't cast the bool to a string accidentally.

Author: geerlingguy

tasks/main.yml

@@ -17,11 +17,12 @@
 
 - name: Check if MySQL packages were installed.
   set_fact:
-    mysql_install_packages: >
-      {{ (rh_mysql_install_packages is defined and rh_mysql_install_packages.changed)
+    mysql_install_packages: "{{ (rh_mysql_install_packages is defined and rh_mysql_install_packages.changed)
       or (deb_mysql_install_packages is defined and deb_mysql_install_packages.changed)
       or (arch_mysql_install_packages is defined and arch_mysql_install_packages.changed) }}"
 
+- debug: var=mysql_install_packages
+
 # Configure MySQL.
 - include: configure.yml
 - include: secure-installation.yml