re2: update to 2016.05.01.

srcpkgs/re2/template

@@ -1,7 +1,7 @@
 # Template build file for 're2'.
 pkgname=re2
 reverts=20140304_1
-version=2016.04.01
+version=2016.05.01
 revision=1
 wrksrc="${pkgname}-${version//./-}"
 build_style=gnu-makefile
@@ -11,9 +11,7 @@ maintainer="Steve Prybylski <sa.prybylx@gmail.com>"
 license="3-clause-BSD"
 homepage="https://github.com/google/re2"
 distfiles="${homepage}/archive/${version//./-}.tar.gz"
-checksum=cba63beed3c502bbacd45e22b24550e4becbc27737389f14d7cdcace12c41177
-CXXFLAGS="-std=c++11"
-LDFLAGS="-pthread"
+checksum=d9d13f0ea4e1c6628b1cb85eeee284d4fdd4948da94b1f205096254927092e3d
 
 post_install() {
 	vlicense LICENSE