0x400d3850 in strcmp () from /lib/libc.so.6
(gdb) bt
#0  0x400d3850 in strcmp () from /lib/libc.so.6
#1  0x40036e70 in po_is_charset_weird_cjk (canon_charset=0x0) at po-charset.c:161
#2  0x4003849d in wrap (fp=0x8096ff8, line_prefix=0x0, name=0x40047287 "msgid", value=0x8094e58 "", do_wrap=undecided,
    charset=0xbffff5a4 "iso9959-1") at write-po.c:283
#3  0x40039488 in message_print (mp=0x807f280, fp=0x8096ff8, charset=0xbffff5a4 "iso9959-1", blank_line=false, debug=false)
    at write-po.c:775
#4  0x40039bd4 in msgdomain_list_print (mdlp=0x8094e88, filename=0xbffff82c "de.po", force=false, debug=false) at write-po.c:997
#5  0x08049c0f in main (argc=5, argv=0xbffff6a4) at msgmerge.c:372
#6  0x400787ee in __libc_start_main () from /lib/libc.so.6