Merge branch 'topic/fix_warning_edge' into 'master'

Fix 'unreferenced' warning in dev mode

See merge request eng/ide/ada_language_server!1433

Author: AnthonyLeonardoGracio

source/ada/lsp-ada_handlers-call_hierarchy.adb

@@ -312,7 +312,7 @@ package body LSP.Ada_Handlers.Call_Hierarchy is
          end if;
       end Callback;
 
-      Imprecise : Boolean;
+      Imprecise : Boolean := False;
       Cursor    : Laltools.Common.References_By_Subprogram.Cursor;
 
    begin