Handle single quotes for OpenVAS import

Author: Tod Beardsley

lib/msf/core/db.rb

@@ -2893,7 +2893,7 @@ def import_filetype_detect(data)
 		elsif (firstline.index("<get_reports_response status=\"200\" status_text=\"OK\">"))
 			@import_filedata[:type] = "OpenVAS XML"
 			return :openvas_new_xml
-		elsif (firstline.index("<report id=\""))
+		elsif (firstline.index("<report id=\"") or firstline.index("<report id=\'"))
 			@import_filedata[:type] = "OpenVAS XML"
 			return :openvas_new_xml
 		elsif (firstline.index("<NessusClientData>"))