fix label loading in arm

was still loading the integer address
instead of the return address's address
Hello World working

lib/arm/instructions/logic_instruction.rb

@@ -91,6 +91,7 @@ module Arm
       if( @left.is_a?(Parfait::Object) or @left.is_a?(Risc::Label) or
         (@left.is_a?(Symbol) and !Risc::RiscValue.look_like_reg(@left)))
         left = @left
+        left = left.address if left.is_a?(Risc::Label)
         # do pc relative addressing with the difference to the instuction
         # 8 is for the funny pipeline adjustment (ie pointing to fetch and not execute)
         right = Risc::Position.get(left) - 8