Mark HPC ticks labels as dynamic

This enables GHC's PIC machinery for accessing tickboxes of other
packages correctly when building dynamic libraries. Previously
GHC was doing strange and wrong things in that situation. See #9012.

(cherry picked from commit 3285a3d5)

compiler/cmm/CLabel.hs

@@ -876,6 +876,8 @@ labelDynamic dflags this_pkg this_mod lbl =
 
    PlainModuleInitLabel m -> not (gopt Opt_Static dflags) && this_pkg /= (modulePackageId m)
 
+   HpcTicksLabel m        -> not (gopt Opt_Static dflags) && this_pkg /= (modulePackageId m)
+
    -- Note that DynamicLinkerLabels do NOT require dynamic linking themselves.
    _                 -> False
   where os = platformOS (targetPlatform dflags)