[LyX/master] Prettify the tooltip for footnotes.

[Richard Heck]

commit 460c80f851c1a8b7c9734439a608be253bbfa9ef
Author: Richard Heck <rgh...@lyx.org>
Date:   Tue Nov 26 10:08:35 2013 -0500

    Prettify the tooltip for footnotes.

diff --git a/src/insets/InsetFoot.cpp b/src/insets/InsetFoot.cpp
index 39a1fd7..372bfab 100644
--- a/src/insets/InsetFoot.cpp
+++ b/src/insets/InsetFoot.cpp
@@ -80,7 +80,7 @@ docstring InsetFoot::toolTip(BufferView const & bv, int x, 
int y) const
        if (isOpen(bv))
                // this will give us something useful if there is no button
                return InsetCollapsable::toolTip(bv, x, y);
-       return toolTipText(custom_label_);
+       return toolTipText(custom_label_+ ": ");
 }