[vala] Created tag 0.39.6

[Rico Tzschichholz <ricotz src gnome org>]

The signed tag '0.39.6' was created.

Tagger: Rico Tzschichholz <ricotz ubuntu com>
Date: Tue Jan 30 13:33:55 2018 +0100

    0.39.6

Changes since the last tag '0.39.5':

Daniel Espinosa (2):
      compiler: Add --abi-stability option for future ABI stability enablement
      codegen: Add abi-stability path for classes

Dr. Michael Lauer (2):
      posix: fix binding of struct hostent. Make clear that gethostbyname(3) can return NULL.
      posix: add ctime(3)

Ernestas Kulik (1):
      codegen: Fix return-type for cancelled async creation methods of classes

Rico Tzschichholz (20):
      girparser: Set NoAccessorMethod for non-readable and construct-only properties
      Regenerate GIR-based bindings
      gtk+-3.0: Fix cheader_filename of Plug and Socket
      codegen: Add abi-stability path for interfaces
      build: Bump bootstrap requirement to 0.39.6 for --abi-stability build flag
      codegen: Use G_PARAM_STATIC_STRINGS
      gtk+-4.0: Update to 3.93.0+4d36a0bf
      libvaladoc: Keep bootstrap-support with valac >= 0.16.1
      gtk+-4.0: Only override type of "event" parameters
      vala: Variadic constructors without a real first parameter are not allowed
      tests: Add test for invalid variadic function
      vapi: Update GIR-based bindings
      codegen: Infer error parameter from abstract/virtual method implementations
      tests: Add missing PrintfFormat attribute
      codegen: Internally generated delegates don't require a typedef
      Revert "semanticanalyzer: Transform replaced_nodes field into method"
      girparser: Ignore conflicting closure/destroy indexes
      girparser: Don't accept methods as property-accessor which throw errors
      Regenerate GIR-based bindings
      Release 0.39.6