libre2: Update to 2019-06-01

Maintainer: me
Compile tested: nbg6817

Signed-off-by: Amol Bhave <ambhave@fb.com>

libs/libre2/Makefile

@@ -1,12 +1,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=re2
-PKG_VERSION:=2019-04-01
+PKG_VERSION:=2019-06-01
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/google/re2/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=2ed94072145272012bb5b7054afcbe707447d49dcd79fd6d1689e6f3dc589def
+PKG_HASH:=02b7d73126bd18e9fbfe5d6375a8bb13fadaf8e99e48cbb062e4500fc18e8e2e
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE