more osx support

modules/exploits/multi/misc/java_jdwp_debugger.rb

@@ -685,15 +685,16 @@ class MetasploitModule < Msf::Exploit::Remote
     when 'linux'
       path = temp_path || '/tmp/'
       payload_exe = "#{path}#{payload_exe}"
-      if @os.downcase =~ /win/
-        print_warning("#{@os} system detected but using Linux target...")
-      end
+    when 'osx'
+      path = temp_path || '/tmp/'
+      payload_exe = "#{path}#{payload_exe}"
     when 'win'
       path = temp_path || './'
       payload_exe = "#{path}#{payload_exe}.exe"
-      unless @os.downcase =~ /win/
-        print_warning("#{@os} system detected but using Windows target...")
     end
+
+    if @os.downcase =~ target['Platform']
+      print_warning("#{@os} system detected but using #{target['Platform']} target...")
     end
 
     return payload_exe, pl_exe