Merge pull request #1643 from GarciaPL/master

Clearing master password field after inserting wrong password

masterpassword.html

@@ -17,6 +17,7 @@
 			const { ipcRenderer } = require('electron');
 			if ( !ipcRenderer.sendSync('validateMasterPassword', value) ) {
 				alert('The password is incorrect. Try again...');
+				document.getElementsByTagName("input")[0].value = "";
 			}
 		}
 	}