Fix build on OpenSuse Build Service

 * Fix requested by maintainer from
   OpenSuse.
 * Prevents a compilation error
   if compiler flags are set to
   complain about missing
   return values.
Tilda: Do not set active on mouseover

 * This prevents tilda from setting itself
   active on mouse over.
 * Fixes #78
Update the change log for 1.1.13
1.1.13