[PATCH] mi_cmd_var_delete, memory leak and cleanup mixup.

[msnyder@sonic.net]

I'm not sure what the variable 'expr' was supposed to do, but
it doesn't seem to do anything except to leak some memory
(xstrdup before error, no cleanup).

-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: expr.txt
URL: <http://sourceware.org/pipermail/gdb-patches/attachments/20070727/2b2b1a6f/attachment.txt>