fix width of color preferences dialog on Mac OS X. b=314993 r=mano

browser/components/preferences/colors.xul

@@ -46,7 +46,11 @@
             xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
             title="&colorsDialog.title;"
             dlgbuttons="accept,cancel,help"
+#ifdef XP_MACOSX
+            style="width: &window.macWidth; !important;">
+#else
             style="width: &window.width; !important;">
+#endif
 
   <prefpane id="ColorsDialogPane"
             helpTopic="prefs-fonts-and-colors" helpURI="chrome://browser/locale/help/help.rdf">

browser/locales/en-US/chrome/browser/preferences/colors.dtd

@@ -1,5 +1,6 @@
 <!ENTITY  colorsDialog.title              "Colors">
-<!ENTITY window.width                     "38em">
+<!ENTITY  window.width                    "38em">
+<!ENTITY  window.macWidth                 "41em">
 
 <!ENTITY  allowPagesToUse.label           "Allow pages to choose their own colors, instead of my selections above">
 <!ENTITY  allowPagesToUse.accesskey       "A">