Import SSL in Windows (get.exe)

Closes: espressif#820

Author: me-no-dev

tools/get.exe

@@ -80,6 +80,7 @@ def get_tool(tool):
 print('Downloading '+archive_name);
 sys.stdout.flush()
 if'CYGWIN_NT'insys_name:
+importssl
 ctx=ssl.create_default_context()
 ctx.check_hostname=False
 ctx.verify_mode=ssl.CERT_NONE