uniform-unstick print separator line in correct place

When the --all and --drop command-line parameters are used together,
each unit's report should be separated by a blank line.
Due to the print-code refactor in #1490, this separator line was
moved between each unit's basic report and the unit's list of dropped
items.

Author: SilasD

changelog.txt

@@ -35,6 +35,7 @@ Template for new versions:
 - `uniform-unstick`: the ``--drop`` option now only evaluates clothing as possible items to drop
 - `uniform-unstick`: the ``--free`` option no longer redundantly reports an improperly assigned item when that item is removed from a uniform
 - `uniform-unstick`: the ``--drop`` and ``--free`` options now only drop items which are actually in a unit's inventory
+- `uniform-unstick`: the ``--all`` and ``--drop`` options, when used together, now print the separator line between each unit's report in the proper place
 
 ## Misc Improvements
 

uniform-unstick.lua

@@ -111,6 +111,7 @@ local function remove_item_from_position(squad_position, item_id)
 end
 
 -- Will figure out which items need to be moved to the floor, returns an item_id:item map
+--   and a flag that indicates whether a separator line needs to be printed
 local function process(unit, args)
     local silent = args.all -- Don't print details if we're iterating through all dwarves
     local unit_name = dfhack.df2console(dfhack.units.getReadableName(unit))
@@ -266,15 +267,10 @@ local function process(unit, args)
         end
     end
 
-    -- add a spacing line if there was any output
-    if printed then
-        print()
-    end
-
-    return to_drop
+    return to_drop, printed
 end
 
-local function do_drop(item_list)
+local function do_drop(item_list, printed)
     if not item_list then
         return
     end
@@ -295,6 +291,11 @@ local function do_drop(item_list)
             end
         end
     end
+
+    -- add a spacing line if there was any output
+    if printed then
+        print()
+    end
 end
 
 local function main(args)