BlackBerry: fix tst_QLocale::emptyCtor()

BlackBerry OS does not allow for explicitly controlling the locale through the
"LANG" environment variable. Locale is controlled by the underlying PPS
Service instead.

Change-Id: I22154e39f81a9467ad7fdb90a042396390398b1b
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Kevin Krammer <kevin.krammer@kdab.com>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Mehdi Fekari <mfekari@blackberry.com>
Add objcopy to MinGW's mkspec

Change-Id: I03442f65e281751c8353eca8b987026e9be2437f
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Add QMAKE_NM to the mkspecs

We'll use nm to get the listing of symbols in the next commit.

The -P option is "portable", which sounds like a good idea. I don't
have access to any of the commercial Unix systems, but I do remember
them printing a different format than GNU binutils's nm.

Change-Id: If6f80624bedaf2b1dabf608e16aa097d9910d739
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>