deco - correct overflow behaviour in open editor section

src/vs/base/browser/ui/iconLabel/iconlabel.css

@@ -37,6 +37,8 @@
 	margin-left: 0.5em;
 	font-size: 0.9em;
 	white-space: pre; /* enable to show labels that include multiple whitespaces */
+	overflow: hidden;
+	text-overflow: ellipsis;
 }
 
 .monaco-icon-label.italic > .label-name,

src/vs/workbench/parts/files/browser/media/explorerviewlet.css

@@ -26,7 +26,7 @@
 }
 
 .explorer-viewlet .explorer-item > a,
-.explorer-viewlet .open-editor,
+.explorer-viewlet .open-editor > a,
 .explorer-viewlet .editor-group {
 	text-overflow: ellipsis;
 	overflow: hidden;
@@ -193,4 +193,4 @@
 .hc-black .monaco-workbench .explorer-viewlet .open-editor,
 .hc-black .monaco-workbench .explorer-viewlet .editor-group {
 	line-height: 20px;
-}
\ No newline at end of file
+}