libgrpc: Update from 1.13.0 to 1.13.1

packages/libgrpc/build.sh

@@ -1,11 +1,13 @@
 TERMUX_PKG_HOMEPAGE=https://grpc.io/
 TERMUX_PKG_DESCRIPTION="High performance, open source, general RPC framework that puts mobile and HTTP/2 first"
-TERMUX_PKG_VERSION=1.13.0
+TERMUX_PKG_VERSION=1.13.1
 TERMUX_PKG_MAINTAINER="Vishal Biswas @vishalbiswas"
 TERMUX_PKG_DEPENDS="openssl, protobuf, c-ares"
 TERMUX_PKG_HOSTBUILD=true
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
+-DCMAKE_STRIP=`which strip`
+-DGIT_EXECUTABLE=`which git`
 -DBUILD_SHARED_LIBS=ON
 -DgRPC_CARES_PROVIDER=package
 -DgRPC_PROTOBUF_PROVIDER=package