[glib] (11 commits) ...Merge branch 'install-tests' into 'master'

[Xavier Claessens <xclaesse src gnome org>]

Summary of changes:

  96fafcf... Meson: Fix missing files when installing tests
  4b5bc3f... Meson: build and install remaining tests
  ef1bcc5... Rename cxx-test.C to cxx-test.cpp
  3cdce16... tests W32: Cast the MSG struct as (gchar *) for g_io_channe
  190ea6e... tests W32: Fix Windows values casting
  d2c9543... tests W32: include process.h for getpid()
  4c91334... tests W32: ugly fix for sscanf() format
  665677c... tests W32: Move timeloop test to the non-Windows section
  3ae1244... tests W32: ifdef a variable not used on Windows
  abac67c... Tests: Fix -Wformat-nonliteral causing build failure with c
  66bf585... Merge branch 'install-tests' into 'master'