Negative zero fix

(cherry picked from commit 0f8689b)
(cherry picked from commit 5a2ef73)

# Conflicts:
#	deps/rabbit_common/src/rabbit_numerical.erl

Author: mkuratczyk

deps/rabbit_common/src/rabbit_numerical.erl

@@ -30,7 +30,11 @@
 %%       human-readable output, or compact ASCII serializations for floats.
 digits(N) when is_integer(N) ->
     integer_to_list(N);
+<<<<<<< HEAD
 digits(0.0) ->
+=======
+digits(N) when N =:= +0.0 orelse N =:= -0.0 ->
+>>>>>>> 5a2ef73595 (Negative zero fix)
     "0.0";
 digits(Float) ->
     {Frac1, Exp1} = frexp_int(Float),