Add a :warning handler for db_import.

git-svn-id: file:///home/svn/framework3/trunk@12379 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/ui/console/command_dispatcher/db.rb

@@ -1231,6 +1231,8 @@ class Db
 								print_status("Import: #{data} packets processed")
 							when :record_count
 								print_status("Import: #{data[1]} records processed")
+							when :warning
+								print_status("Import Warning: #{data}")
 							end
 						end
 						print_status("Successfully imported #{filename}")