Added more-vert SVG icon definition for issue 7189: https://github.com/DefinitelyTyped/DefinitelyTyped/issues/7189

material-ui/material-ui.d.ts

@@ -835,6 +835,7 @@ declare namespace __MaterialUI {
         export import NavigationMenu = __MaterialUI.NavigationMenu;
         export import NavigationChevronLeft = __MaterialUI.NavigationChevronLeft;
         export import NavigationChevronRight = __MaterialUI.NavigationChevronRight;
+		export import NavigationMore = __MaterialUI.NavigationMoreVert;
     }
 
     interface NavigationMenuProps extends React.Props<NavigationMenu> {
@@ -850,6 +851,11 @@ declare namespace __MaterialUI {
     interface NavigationChevronRightProps extends React.Props<NavigationChevronRight> {
     }
     export class NavigationChevronRight extends React.Component<NavigationChevronRightProps, {}> {
+    }
+	
+	interface NavigationMoreVertProps extends React.Props<NavigationMoreVert> {
+    }
+    export class NavigationMoreVert extends React.Component<NavigationMoreVertProps, {}> {
     }
 
     export namespace Styles {
@@ -861,6 +867,7 @@ declare namespace __MaterialUI {
         }
         export var AutoPrefix: AutoPrefix;
 
+        interface Spacing {
         interface Spacing {
             iconSize?: number;
 
@@ -1802,6 +1809,11 @@ declare module 'material-ui/lib/svg-icon' {
     export = SvgIcon;
 }
 
+declare module 'material-ui/lib/svg-icons/navigation/more-vert' {
+    import NavigationMoreVert = __MaterialUI.NavigationMoreVert;
+    export = NavigationMoreVert;
+}
+
 declare module 'material-ui/lib/svg-icons/navigation/menu' {
     import NavigationMenu = __MaterialUI.NavigationMenu;
     export = NavigationMenu;
@@ -2353,4 +2365,4 @@ declare namespace __MaterialUI.Styles {
         lightWhite: string;
     }
     export var Colors: Colors;
-}
+}