maintransformer: fix pairing of GParamSpec constructors
@gcampagna
Submitted by Giovanni Campagna Link to original bug (#725274)
Description
I'm not sure of this one. It fixes the placement of ParamSpec constructors, but maybe it breaks something else? It would be all cases of FooClass + FooClassSub, with a method named foo_class_sub, previously exposed as Foo.class_sub, now Foo.Class.sub. I don't think anyone uses that crazyness in practice, but...