Fixed libnullpay build.rs

Signed-off-by: Mohammad Abdul Sami <[email protected]>

Author: faisal00813

libnullpay/build.rs

@@ -4,7 +4,7 @@ use std::path::Path;
 fn main() {
     let target = env::var("TARGET").unwrap();
     println!("target={}", target);
-    if win_env.find("-windows-").is_some() {
+    if target.find("-windows-").is_some() {
         println!("cargo:rustc-link-lib=indy.dll");
 
         let profile = env::var("PROFILE").unwrap();

libnullpay/build_scripts/android/build.withoutdocker.sh

@@ -54,7 +54,7 @@ if [ "$(uname)" == "Darwin" ]; then
 elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
     echo "Downloading NDK for Linux"
     export TOOLCHAIN_PREFIX=${WORKDIR}/toolchains/linux
-    mkdir ${TOOLCHAIN_PREFIX}
+    mkdir -p ${TOOLCHAIN_PREFIX}
     pushd $TOOLCHAIN_PREFIX
     if [ ! -d "android-ndk-r16b" ] ; then
         echo "Downloading android-ndk-r16b-linux-x86_64.zip"