Fix spurious uniq.test failure.

Reported by Christopher Ziegler.

* src/tests/uniq.test: For LC_ALL=C before sort.

NEWS

@@ -73,6 +73,7 @@ New in spot 1.99.2a (not yet released)
     - Fix some warnings reported by the development version of GCC 6.
     - the spot.translate() function of the Python binding had a typo
       preventing the use of 'low'/'medium'/'high' as argument.
+    - Fix spurious failure of uniq.test under different locales.
 
 New in spot 1.99.2 (2015-07-18)
 

THANKS

@@ -4,6 +4,7 @@ suggestions.
 Akim Demaille
 Caroline Lemieux
 Christian Dax
+Christopher Ziegler
 David Müller
 Ernesto Posse
 Étienne Renault

src/tests/uniq.test

@@ -36,7 +36,7 @@ cat aut1 aut2 rand11 rand12 rand13 rand21 rand22 rand23 > all
 diff aut out
 
 
-run 0 ../../bin/randaut -Hl -u -n 4 -Q1 a b | sort |
+run 0 ../../bin/randaut -Hl -u -n 4 -Q1 a b | LC_ALL=C sort |
       ../../bin/autfilt -H | grep '&' > out
 cat >expected <<EOF
 [!0&!1] 0