Comment 7 for bug 683557

I get "double free or corruption" when running /usr/lib/nspluginwrapper/x86_64/linux/npconfig -l. See below for backtrace:

#0 0x00007ffff75793a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1 0x00007ffff757cb0b in __GI_abort () at abort.c:92
#2 0x00007ffff75b1113 in __libc_message (do_abort=2, fmt=0x7ffff76a20d8 "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#3 0x00007ffff75bba96 in malloc_printerr (action=3, str=0x7ffff76a2258 "double free or corruption (out)", ptr=<optimized out>) at malloc.c:6283
#4 0x00007ffff75bfd7c in __GI___libc_free (mem=<optimized out>) at malloc.c:3738
#5 0x00007ffff7bd9565 in _dlerror_run (operate=0x7ffff7bd9030 <dlsym_doit>, args=0x7fffffffa140) at dlerror.c:160
#6 0x00007ffff7bd909a in __dlsym (handle=<optimized out>, name=<optimized out>) at dlsym.c:71
#7 0x0000000000401991 in is_wrapper_plugin_handle (out_plugin_info=0x7fffffffa1b0, handle=0x6474b0) at /build/buildd/nspluginwrapper-1.4.4/src/npw-config.c:534
#8 is_wrapper_plugin (plugin_path=<optimized out>, out_plugin_info=0x7fffffffa1b0) at /build/buildd/nspluginwrapper-1.4.4/src/npw-config.c:575
#9 0x0000000000401b47 in is_wrapper_plugin_0 (plugin_path=0x646fb0 "/usr/lib/mozilla/plugins/libnpgoogletalk64.so")
    at /build/buildd/nspluginwrapper-1.4.4/src/npw-config.c:598
#10 0x00000000004018e1 in process_plugin_dir (plugin_dir=0x4044c5 "/usr/lib/mozilla/plugins", test=0x401b20 <is_wrapper_plugin_0>,
    process=0x4022c0 <list_plugin_cb>) at /build/buildd/nspluginwrapper-1.4.4/src/npw-config.c:672
#11 0x00000000004035e6 in process_list (argvc=<optimized out>, argv=<optimized out>) at /build/buildd/nspluginwrapper-1.4.4/src/npw-config.c:1111
#12 0x00000000004015ac in main (argc=2, argv=0x7fffffffe4c8) at /build/buildd/nspluginwrapper-1.4.4/src/npw-config.c:1245