Merge 2.53.2 into tizen

Change-Id: If32a06713d2d82d60b99b1480cdffc48aeb4a4de

diff --cc NEWS
Simple merge

diff --cc configure.ac
Simple merge

diff --cc docs/reference/glib/glib-sections.txt
Simple merge

diff --cc gio/gdbusconnection.c
index 0c2844c,8263419..9dd59a9
mode 100755,100644..100755
--- 1/gio/gdbusconnection.c
--- 2/gio/gdbusconnection.c
+++ b/gio/gdbusconnection.c

diff --cc gio/gdbusmessage.c
Simple merge

diff --cc gio/gdbusprivate.c
Simple merge

diff --cc gio/tests/Makefile.am
Simple merge

diff --cc glib/gvariant.c
Simple merge

diff --cc glib/gvarianttype.c
Simple merge

diff --cc glib/gvarianttype.h
Simple merge