Updated libunbound build script for windows

third_party/build_unbound.sh

@@ -1,5 +1,11 @@
 #!/usr/bin/env bash
 
+if [[ ${build_os_type} == "win32 ]]; then
+    echo "Windows does not require libunbound"
+    echo "Dont building library"
+    exit 0
+fi
+
 source ../scripts/build_helper.sh
 library_path="unbound"
 requires_rebuild ${library_path}
@@ -29,18 +35,6 @@ if [[ ${build_os_type} == "linux" ]]; then
 	check_err_exit ${library_path} "Failed to build"
 	make install
 	check_err_exit ${library_path} "Failed to install"
-elif [[ ${build_os_type} == "win32" ]]; then
-	exit 1 #TODO
-    cmake ../../ -G"Visual Studio 14 2015 Win64" -DOPENSSL_NO_ASM=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=. -DCMAKE_MSVC_RUNTIME_LIBRARY="MultiThreaded"
-    check_err_exit ${library_path} "Failed generate build files!"
-
-    cmake --build .  --target crypto --config release -j 8
-    #MSBuild.exe //p:Configuration=Release //p:Platform=x64 crypto/crypto.vcxproj
-    check_err_exit ${library_path} "Failed to build crytp!"
-
-    cmake --build .  --target ssl --config release -j 8
-    #MSBuild.exe //p:Configuration=Release //p:Platform=x64 ssl/ssl.vcxproj
-    check_err_exit ${library_path} "Failed to build ssl!"
 else
     echo "Invalid OS!"
     exit 1