Fixed 'prevElement' error pointed out by Swizec

lib/node-htmlparser.js

@@ -18,7 +18,7 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 IN THE SOFTWARE.
 ***********************************************/
-/* v1.6.3 */
+/* v1.6.4 */
 
 (function () {
 
@@ -244,17 +244,18 @@ function Parser (handler) {
 							element.type = ElementType.Text;
 							//If the previous element is text, append the current text to it
 							if (this._elements.length && this._elements[this._elements.length - 1].type == ElementType.Text) {
+								var prevElement = this._elements[this._elements.length - 1];
 								if (element.raw != "") {
-									var prevElement = this._elements[this._elements.length - 1];
 									prevElement.raw = prevElement.data = prevElement.raw + this._prevTagSep + element.raw;
 									element.raw = element.data = ""; //This causes the current element to not be added to the element list
-								}
-								else //Element is empty, so just append the last tag marker found
+								} else { //Element is empty, so just append the last tag marker found
 									prevElement.raw = prevElement.data = prevElement.raw + this._prevTagSep;
-							}
-							else //The previous element was not text
-								if (element.raw != "")
+								}
+							} else { //The previous element was not text
+								if (element.raw != "") {
 									element.raw = element.data = element.raw;
+								}
+							}
 						}
 					}
 				}