Update base/binaryplatforms.jl

Co-authored-by: Fredrik Ekre <[email protected]>

Author: staticfloat

base/binaryplatforms.jl

@@ -135,7 +135,7 @@ tags(p::Platform) = p.tags
 # Make it act more like a dict
 Base.getindex(p::AbstractPlatform, k::String) = getindex(tags(p), k)
 Base.haskey(p::AbstractPlatform, k::String) = haskey(tags(p), k)
-Base.setindex!(p::AbstractPlatform, v::String, k::String) = setindex!(tags(p), v, k)
+Base.setindex!(p::AbstractPlatform, v::String, k::String) = (setindex!(tags(p), v, k); p)
 
 # Allow us to easily serialize Platform objects
 function Base.repr(p::Platform; context=nothing)