fix #246: remove any double quotes or single quotes from os.tmpdir

Author: silkentrance

lib/tmp.js

@@ -637,7 +637,11 @@ function setGracefulCleanup() {
  * @returns {string} the currently configured tmp dir
  */
 function _getTmpDir() {
-  return path.resolve(os.tmpdir());
+  let tmpdir = os.tmpdir();
+  if (!_isBlank(tmpdir)) {
+    tmpdir = tmpdir.replace(/["']/g, '');
+  }
+  return path.resolve(tmpdir);
 }
 
 // Install process exit listener