Update upstream source from tag 'upstream/5.5.63'

Update to upstream version '5.5.63' with Debian dir fc4032dc747eef4e5be3af715bcfbdd82284a3e4

Update upstream source from tag 'upstream/5.5.63'
Update to upstream version '5.5.63' with Debian dir fc4032dc747eef4e5be3af715bcfbdd82284a3e4
9e78a031 · Otto Kekäläinen · 696c5f5d · 15f2dedb · 9e78a031 · 9e78a031
Commit 9e78a031 authored Feb 01, 2019 by Otto Kekäläinen
--- a/zlib/old/os2/zlib.def
+++ b/zlib/old/os2/zlib.def
--- a/zlib/old/visual-basic.txt
+++ b/zlib/old/visual-basic.txt
--- a/zlib/os400/README400
+++ b/zlib/os400/README400
--- a/zlib/os400/bndsrc
+++ b/zlib/os400/bndsrc
--- a/zlib/os400/make.sh
+++ b/zlib/os400/make.sh
--- a/zlib/os400/zlib.inc
+++ b/zlib/os400/zlib.inc
--- a/zlib/qnx/package.qpg
+++ b/zlib/qnx/package.qpg
--- a/zlib/test/example.c
+++ b/zlib/test/example.c
--- a/zlib/test/infcover.c
+++ b/zlib/test/infcover.c
--- a/zlib/test/minigzip.c
+++ b/zlib/test/minigzip.c
--- a/zlib/treebuild.xml
+++ b/zlib/treebuild.xml
--- a/zlib/trees.c
+++ b/zlib/trees.c
--- a/zlib/trees.h
+++ b/zlib/trees.h
--- a/zlib/uncompr.c
+++ b/zlib/uncompr.c
--- a/zlib/watcom/watcom_f.mak
+++ b/zlib/watcom/watcom_f.mak
--- a/zlib/watcom/watcom_l.mak
+++ b/zlib/watcom/watcom_l.mak
--- a/zlib/win32/DLL_FAQ.txt
+++ b/zlib/win32/DLL_FAQ.txt
--- a/zlib/win32/Makefile.bor
+++ b/zlib/win32/Makefile.bor
--- a/zlib/win32/Makefile.gcc
+++ b/zlib/win32/Makefile.gcc
--- a/zlib/win32/Makefile.msc
+++ b/zlib/win32/Makefile.msc