Someone

remink@Desktop:~$ cd packages/xchat-2.6.
xchat-2.6.1/ xchat-2.6.4/ 
remink@Desktop:~$ cd packages/xchat-2.6.4/
remink@Desktop:~/packages/xchat-2.6.4$ dpkg-buildpackage -rfakeroot
dpkg-buildpackage: source package is xchat
dpkg-buildpackage: source version is 2.6.4-0ubuntu1
dpkg-buildpackage: source changed by Rémi Vigan <remink@Desktop>
dpkg-buildpackage: host architecture i386
 fakeroot debian/rules clean
dh_testdir
dh_testroot
[ ! -f Makefile ] || /usr/bin/make distclean
rm -f config.{sub,guess,log}
rm -f xchat xchat-gnome
rm -f po/*.gmo
rm -f build-stamp install-stamp configure-stamp po/stamp-po
rm -rf debian/tmp debian/xchat debian/xchat-common
dh_clean
dpatch  deapply-all  
45_ctcp_version_less_information not applied to ./ .
43_fix_te_notify not applied to ./ .
41_casecomp not applied to ./ .
38_autoconf not applied to ./ .
37_lpi not applied to ./ .
36_default_to_freenode not applied to ./ .
35_ubuntu not applied to ./ .
20_url_pattern not applied to ./ .
11_fix_dcc_close_message not applied to ./ .
10_fix_unchecked_mallocs not applied to ./ .
attempting to revert failed patch 09_browser from ./:
  md5sums match, proceeding ... done (neither success nor failure guaranteed)
reverting patch 02_terminal from ./ ... ok.
rm -rf patch-stamp patch-stampT debian/patched
 dpkg-source -b xchat-2.6.4
dpkg-source: building xchat in xchat_2.6.4-0ubuntu1.tar.gz
dpkg-source: building xchat in xchat_2.6.4-0ubuntu1.dsc
 debian/rules build
test -d debian/patched || install -d debian/patched
dpatch  apply-all  
applying patch 02_terminal to ./ ... ok.
applying patch 09_browser to ./ ... failed.
make: *** [patch-stamp] Erreur 1
remink@Desktop:~/packages/xchat-2.6.4$