Fix methods ambiguities

Author: pabloferz

src/FixedPointDecimals.jl

@@ -272,14 +272,14 @@ end
     function Base.round(::Type{FD{T, f}}, x::Rational{Tr}, ::RoundingMode{:Nearest}=RoundNearest) where {T, Tr, f}
         reinterpret(FD{T, f}, round(T, x * coefficient(FD{T, f})))
     end
-    function Base.round(::Type{FD{T, f}}, x::Rational{Bool}, ::RoundingMode{:Nearest}=RoundNearest) where {T, f}
-        reinterpret(FD{T, f}, round(T, x * coefficient(FD{T, f})))
-    end
 else
     function Base.round(::Type{FD{T, f}}, x::Rational, ::RoundingMode{:Nearest}=RoundNearest) where {T, f}
         reinterpret(FD{T, f}, round(T, x * coefficient(FD{T, f})))
     end
 end
+function Base.round(::Type{FD{T, f}}, x::Rational{Bool}, ::RoundingMode{:Nearest}=RoundNearest) where {T, f}
+    reinterpret(FD{T, f}, round(T, x * coefficient(FD{T, f})))
+end
 
 # conversions and promotions
 Base.convert(::Type{FD{T, f}}, x::FD{T, f}) where {T, f} = x  # Converting an FD to itself is a no-op