Comment 3 for bug 2013138

Backtrace: (not sure if I did this right or how much valuable info is in this)

(gdb) bt -full
#0 blow_expensive_caches (data=0x56140b6fc0b0)
    at /build/mate-desktop-kIYUV3/mate-desktop-1.26.0/libmate-desktop/mate-bg.c:2025
        ent = <optimized out>
        bg = 0x56140b6fc0b0
        list = 0xc4db9a49a7ccef7e
#1 0x00007fbf60f21a7f in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2 0x00007fbf60f7c518 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3 0x00007fbf60f1f4a0 in g_main_context_iteration ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4 0x00007fbf6114e0dd in g_application_run ()
   from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#5 0x000056140993d5c5 in main (argc=1, argv=0x7ffd54f64048)
    at ./src/caja-main.c:271
        retval = <optimized out>
        application = 0x56140af73600