bugfix for NMAP failure, test case: "db_nmap -P"

git-svn-id: file:///home/svn/framework3/trunk@7542 4d416f70-5f16-0410-b530-b9f4589650da

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

@@ -724,11 +724,6 @@ class Db
 				return
 			end
 
-			if (not File.readable?(args[0]))
-				print_status("Could not read the XML file")
-				return
-			end
-
 			load_nmap_xml(args[0])
 		end
 
@@ -780,6 +775,11 @@ class Db
 		# Process Nmap XML data
 		#
 		def load_nmap_xml(filename)
+			if (not File.readable?(filename))
+				print_status("Could not read the XML file")
+				return
+			end
+
 			l = NmapXMLStreamParser.new(framework)
 			REXML::Document.parse_stream(File.new(filename), l)
 		end