fix rc path

scripts/Dbkp

@@ -1,4 +1,4 @@
-#!/usr/local/plan9/bin/rc
+#!/usr/bin/env rc
 
 # Dbkp - Backup and restore denote directory
 # Usage: Dbkp                    (create backup)

scripts/Djournal

@@ -1,4 +1,4 @@
-#!/usr/local/plan9/bin/rc
+#!/usr/bin/env rc
 
 # Journal interval: daily, weekly, monthly, yearly
 interval=daily

scripts/Dmerge

@@ -1,4 +1,4 @@
-#!/usr/local/plan9/bin/rc
+#!/usr/bin/env rc
 
 # Dmerge - Merge notes or regions
 # Usage: Dmerge <source-id> <dest-id>          (file merge)

scripts/Drn

@@ -1,4 +1,4 @@
-#!/usr/local/plan9/bin/rc
+#!/usr/bin/env rc
 
 # Drn - rename denote note metadata
 # usage: Drn [identifier] 'title' [==signature] [tags]

scripts/Dsilo

@@ -1,4 +1,4 @@
-#!/usr/local/plan9/bin/rc
+#!/usr/bin/env rc
 
 # Dsilo - Switch denote directory (silo)
 # Usage: Dsilo <directory-path>