do not attempt to load /etc/bashrc

bashrc

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-test -r /etc/bashrc && . /etc/bashrc
+# test -r /etc/bashrc && . /etc/bashrc
 
 ##########################
 # system type
@@ -352,8 +352,6 @@ winln(){
     fi
 }
 
-########################
-
 if iscygwin; then
     alias cygsu="cygstart /cygwinsetup.exe"
     alias emacs="CYGWIN=tty emacs -nw"