[patch] fix memleak at src/editor/editcmd.c:1983

[and]

fix memleak at src/editor/editcmd.c:1983:21

macros_config object will never freed when macros_list is empty

found by clang LeakSanitizer?

Direct leak of 48 byte(s) in 3 object(s) allocated from:
    #0 0x4d2d50 in malloc (/usr/bin/mc+0x4d2d50)
    #1 0x7fbdde5c0d08 in g_try_malloc0 (/usr/lib64/libglib-2.0.so.0+0x67d08)
    #2 0x7fbddf23cb32 in mc_config_init /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/mcconfig/common.c:110:17
    #3 0x5aac8c in edit_load_macro_cmd /tmp/portage/app-misc/mc-9999/work/mc-9999/src/editor/editcmd.c:1983:21
    #4 0x594906 in edit_init /tmp/portage/app-misc/mc-9999/work/mc-9999/src/editor/edit.c:2159:5
    #5 0x5c9f2e in edit_add_window /tmp/portage/app-misc/mc-9999/work/mc-9999/src/editor/editwidget.c:1358:12
    #6 0x5c9158 in edit_files /tmp/portage/app-misc/mc-9999/work/mc-9999/src/editor/editwidget.c:1248:16
    #7 0x5c8ccf in edit_file /tmp/portage/app-misc/mc-9999/work/mc-9999/src/editor/editwidget.c:1194:10
    #8 0x5f806b in edit_file_at_line /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/cmd.c:704:9
    #9 0x5f81db in edit_cmd /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/cmd.c:742:9
    #10 0x536977 in midnight_execute_cmd /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/midnight.c:1177:9
    #11 0x7fbddf27d2b9 in buttonbar_callback /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/buttonbar.c:172:42
    #12 0x7fbddf28342c in dlg_try_hotkey /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:464:23
    #13 0x7fbddf282720 in dlg_key_event /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:509:19
    #14 0x7fbddf282be2 in frontend_dlg_run /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:570:9
    #15 0x7fbddf2828e5 in dlg_run /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:1267:5
    #16 0x534e0d in do_nc /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/midnight.c:1759:9
    #17 0x502ab7 in main /tmp/portage/app-misc/mc-9999/work/mc-9999/src/main.c:418:21
    #18 0x7fbddd694eca in __libc_start_main (/lib64/libc.so.6+0x21eca)
    #19 0x4280ed in _start (/usr/bin/mc+0x4280ed)

patch against b8ffa1b9661987f41deeb5cb7bf2ab6c09a41c43

Signed-off-by: Andreas Mohr <and@…>

[andrew_b]

Fixed as [acd94331486cda5fd39f76639f7dff2b7c19b768].