Typo and added error message

git-svn-id: file:///home/svn/framework3/trunk@10335 4d416f70-5f16-0410-b530-b9f4589650da

scripts/meterpreter/process_memdump.rb

@@ -70,8 +70,13 @@ def dump_mem(pid,name, toggle)
 	::FileUtils.mkdir_p(logs)
 	#Dump file name
 	dumpfile = logs + ::File::Separator + host + filenameinfo + ".dmp"
-	print_status("Dumpimn Memory of with PID: #{pid.to_s}")
+	print_status("Dumpping Memory of with PID: #{pid.to_s}")
+	begin
 		dump_process = client.sys.process.open(pid.to_i, PROCESS_READ)
+	rescue
+		print_error("Could not open process for reading memory!")
+		raise Rex::Script::Completed
+	end
 	# MaximumApplicationAddress for 32bit or close enough
 	maximumapplicationaddress = 2147418111
 	base_size = 0