only set .info if its nil or empty

git-svn-id: file:///home/svn/framework3/trunk@8831 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/base/sessions/command_shell.rb

@@ -217,6 +217,7 @@ class CommandShell
 	#
 	def process_autoruns(datastore)
 		# Read the initial output and mash it into a single line
+		if (not self.info or self.info.empty?)
 			initial_output = shell_read(-1, 0.01)
 			if (initial_output)
 				initial_output.gsub!(/[\r\n\t]+/, ' ')
@@ -225,6 +226,7 @@ class CommandShell
 				# Set the inital output to .info
 				self.info = initial_output
 			end
+		end
 
 		if (datastore['InitialAutoRunScript'] && datastore['InitialAutoRunScript'].empty? == false)
 			args = datastore['InitialAutoRunScript'].split