Merge pull request ManageIQ#18476 from jrafanie/io_write_accepts_mult…

…iple_args_in_2_5

StringIO#write accepts multiple args in ruby 2.5

lib/vmdb/loggers/io_logger.rb

@@ -7,10 +7,12 @@ def initialize(logger, level = :info, prefix = nil)
       super()
     end
 
-    def write(string)
-      @buffer ||= ""
-      @buffer << string
-      dump_buffer if string.include?("\n")
+    def write(*args)
+      args.each do |arg|
+        @buffer ||= ""
+        @buffer << arg
+        dump_buffer if arg.include?("\n")
+      end
     end
 
     def <<(string)