[plugins/sed] escape backslashes

plugins/sed.py

@@ -125,6 +125,9 @@ class sed(object):
         if 'g' in sed_part3:
             flag_global = 0
 
+        # Escape escapes  -- dwfreed
+        sed_part2 = re.sub(r"\\", r"\\\\", sed_part2, count=0)
+
         # WARNING: re.sub does not have a flags
         # parameter for Python version < 2.7
         # for Python < 2.7, flag 'i' will be ignored