Default value for pref to override broken-image layout. b=102281 r=kmcclusk sr=waterson

modules/libpref/src/init/all.js

@@ -76,6 +76,7 @@ pref("browser.display.use_document_colors", true);
 pref("browser.display.use_system_colors",   false);
 pref("browser.display.foreground_color",    "#000000");
 pref("browser.display.background_color",    "#FFFFFF");
+pref("browser.display.force_inline_alttext", false); // true = force ALT text for missing images to be layed out inline
 pref("browser.anchor_color",                "#0000EE");
 pref("browser.visited_color",               "#551A8B");
 pref("browser.underline_anchors",           true);