Bump required GLib version to 2.36

This is for g_close(), which the next commit will use. It also lets us
rely on g_type_init() being a no-op (since 2.32 the type system is
always initialized by a global constructor).

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=88810
Reviewed-by: Philip Withnall

configure.ac

@@ -207,14 +207,14 @@ fi
 # default (unless you don't have GLib), because they don't bloat the library
 # or binaries.
 
-AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_26], [Ignore post-2.26 deprecations])
+AC_DEFINE([GLIB_VERSION_MIN_REQUIRED], [GLIB_VERSION_2_36], [Ignore post-2.36 deprecations])
 AC_DEFINE([GLIB_VERSION_MAX_ALLOWED], [GLIB_VERSION_2_38], [Prevent post-2.38 APIs])
 
 with_glib=yes
 
 AS_IF([test "x$enable_modular_tests" != xno],
   [
-  PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.24, gio-2.0 >= 2.24],
+  PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.36, gio-2.0 >= 2.36],
     [],
     [if test "x$enable_modular_tests" = xyes; then
       AC_MSG_NOTICE([Full test coverage (--enable-modular-tests=yes or --enable-tests=yes) requires GLib])

test/corrupt.c

@@ -380,7 +380,6 @@ main (int argc,
     char **argv)
 {
   g_test_init (&argc, &argv, NULL);
-  g_type_init ();
 
   g_test_add ("/corrupt/tcp", Fixture, "tcp:host=127.0.0.1", setup,
       test_corrupt, teardown);

test/internals/refs.c

@@ -585,12 +585,6 @@ int
 main (int argc,
     char **argv)
 {
-  /* In GLib >= 2.24, < 2.31 this acts like g_thread_init() but avoids
-   * the deprecation of that function. In GLib >= 2.32 this is not
-   * necessary at all.
-   */
-  g_type_init ();
-
   g_test_init (&argc, &argv, NULL);
   g_test_bug_base ("https://bugs.freedesktop.org/show_bug.cgi?id=");