Bug 627811 - Port bug 624970 (display DirectWrite version in about:support) to Thunderbird. r=bwinton

mail/components/about-support/content/gfx.js

@@ -122,12 +122,16 @@ function populateGraphicsSection() {
     ]));
 
     var dwEnabled = false;
+    var dwriteEnabledStr = dwEnabled.toString();
+    var dwriteVersion;
     try {
       dwEnabled = gfxInfo.DWriteEnabled;
+      dwriteVersion = gfxInfo.DWriteVersion;
+      dwriteEnabledStr = dwEnabled.toString() + " (" + dwriteVersion + ")";
     } catch(e) {}
     trGraphics.push(createParentElement("tr", [
       createHeader(bundle.GetStringFromName("directWriteEnabled")),
-      createElement("td", dwEnabled),
+      createElement("td", dwriteEnabledStr),
     ]));
 
     var webglrenderer;