rvm-install in rvm-0.1.30

- old
+ new
@@ -279,11 +279,11 @@
     echo -e "\n   placing all non-interactive items in the .bashrc"
     echo -e "\n3) Then $(tput setaf 1)CLOSE THIS SHELL$(tput sgr0) and open a new one in order to use rvm.\n"
   fi
   if [[ -s $HOME/.bashrc ]] && grep '&& return' $HOME/.bashrc ; then
     echo -e "\n\nWARNING:  you have a 'return' statement in your .bashrc, likely this will cause untold havoc.
-       This means that if you see '[ -z "$PS1" ] && return' then you must change this line to:
-       if [[ ! -z "$PS1" ]] ; then
+       This means that if you see '[ -z "\$PS1" ] && return' then you must change this line to:
+       if [[ -n "\$PS1" ]] ; then
          ... original content that was below the && return line ...
        fi # <= be sure to close the if.
        #EOF .bashrc
 
     If you have any questions about this please visit #rvm on irc.freenode.net.\n"