better font for askpass dialog

src/vs/workbench/parts/git/electron-main/index.html

@@ -63,6 +63,9 @@
 				font-size: 13px;
 				text-align: center;
 			}
+			input {
+				font-family: "Segoe WPC", "Segoe UI", "HelveticaNeue-Light", sans-serif, "Droid Sans Fallback" !important;
+			}
 		</style>
 		<script>
 			var shell = require('shell');