Fix comments to reflect code

Commit 638bb6652 changed some defaults but the comments still point
to the previous values.

config/action.d/dshield.conf

@@ -204,7 +204,7 @@ dest = reports@dshield.org
 
 # Option:  tmpfile
 # Notes.:  Base name of temporary files used for buffering
-# Values:  [ STRING ]  Default: /tmp/fail2ban-dshield
+# Values:  [ STRING ]  Default: /var/run/fail2ban/tmp-dshield
 #
 tmpfile = /var/run/fail2ban/tmp-dshield
 

config/action.d/mynetwatchman.conf

@@ -139,6 +139,6 @@ mnwurl = http://mynetwatchman.com/insertwebreport.asp
 
 # Option:  tmpfile
 # Notes.:  Base name of temporary files
-# Values:  [ STRING ]  Default: /tmp/fail2ban-mynetwatchman
+# Values:  [ STRING ]  Default: /var/run/fail2ban/tmp-mynetwatchman
 #
 tmpfile = /var/run/fail2ban/tmp-mynetwatchman