Preferences: increase precision of Default latitude and longitude coordinates

[starnutoditopo]

In the Preferences window, the Default latitude and Default longitude fields allow only 2 decimal places.

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Some more decimal places (al least 5?) would be useful.

[rnorris]

I think the intention is more to show the location in a 'friendly' manner (and refine via the up/down buttons) - rather than perhaps a really precise location down to say an individual house. You can also set the home location via the menus: Edit->Set Home Location (which will use the current viewport centre).

Note that you can type in a more precise values like 1.2345, which will be used - even if the value displayed is rounded to 2 decimal places.

This display is controlled by the values in globals.c lines 70+71