Git versions of gtk, glib, goffice, gnumeric, libgsf and libxml2.

Test case: http://jutaky.com/fuzzing/gnumeric_case_24050_10624.2xls.gnumeric

ssconvert gnumeric_case_24050_10624.2xls.gnumeric /tmp/out.xls

==27729==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f895a8ef6ee sp 0x7ffe5e779080 bp 0x7ffe5e7790a0 T0)
    #0 0x7f895a8ef6ed in copy64 gnumeric/gnumeric/plugins/excel/crypt-md4.c:146
    #1 0x7f895a8efaf2 in mdfour gnumeric/gnumeric/plugins/excel/crypt-md4.c:172
    #2 0x7f895a88500e in excel_write_blip gnumeric/gnumeric/plugins/excel/ms-excel-write.c:6297
    #3 0x7f895a88578e in excel_write_blips gnumeric/gnumeric/plugins/excel/ms-excel-write.c:6338
    #4 0x7f895a887be5 in excel_write_workbook gnumeric/gnumeric/plugins/excel/ms-excel-write.c:6507
    #5 0x7f895a8887e5 in excel_write_v8 gnumeric/gnumeric/plugins/excel/ms-excel-write.c:6577
    #6 0x7f895a7e31c3 in excel_save gnumeric/gnumeric/plugins/excel/boot.c:304
    #7 0x7f895a7e366b in excel_biff8_file_save gnumeric/gnumeric/plugins/excel/boot.c:350
    #8 0x7f89808b30f8 in go_plugin_loader_module_func_file_save app/go-plugin-loader-module.c:366
    #9 0x7f89808ba50a in go_plugin_file_saver_save app/go-plugin-service.c:948
    #10 0x7f89808c33ec in go_file_saver_save app/file.c:848
    #11 0x7f898179c7bc in wbv_save_to_output gnumeric/gnumeric/src/workbook-view.c:1059
    #12 0x7f898179cc76 in wb_view_save_to_uri gnumeric/gnumeric/src/workbook-view.c:1093
    #13 0x7f898179d1e8 in wb_view_save_as gnumeric/gnumeric/src/workbook-view.c:1129
    #14 0x408c24 in convert gnumeric/gnumeric/src/ssconvert.c:831
    #15 0x409439 in main gnumeric/gnumeric/src/ssconvert.c:903
    #16 0x7f8979ed87ff in __libc_start_main (/usr/lib/libc.so.6+0x207ff)
    #17 0x4040f8 in _start (apps/bin/ssconvert+0x4040f8)

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Juha Kylmänen