Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
  Update libs_version.txt

diff --cc win32/build/libs_version.txt
index 6d1a797d56b31da9e6a89c2fa70244038555006d,3fb4c50d4c8ec2fa328541d1b5ed0ca0030c1065..d6621ff28450d277738ffd9fa0f995aa9e13578d
--- 1/win32/build/libs_version.txt
--- 2/win32/build/libs_version.txt
+++ b/win32/build/libs_version.txt
@@@ -3,12 -3,12 +3,12 @@@ cclient-2007
  freetype-2.8.0
  icu-57.1
  jpeglib-9b
- libcurl-7.55.0
+ libcurl-7.56.0
  libiconv-1.15
 -libmcrypt-2.5.8
  libmpir-3.0.0
- libpng-1.6.29
+ libpng-1.6.34
  libpq-9.6.2
 +libsodium-1.0.12
  libssh2-1.8.0
  libtidy-5.4.0
  libxslt-1.1.30