typos in Japanese translation for apt

Hello,

There are some typos in Japanese translation for apt.

patch follows:

=== modified file 'po/ja.po'
--- po/ja.po	2012-12-08 18:35:40 +0000
+++ po/ja.po	2013-02-04 14:34:28 +0000
@@ -227,7 +227,7 @@
 "  -p=? \n"
 "  -s=? \n"
 "  -q   \n"
-"  -i   umnet \n"
+"  -i   unmet \n"
 "  -c=? \n"
 "  -o=?  (: -o dir::cache=/tmp)\n"
 "apt-cache(8)  apt.conf(5) \n"
@@ -448,7 +448,7 @@
 #, c-format
 msgid "Package '%s' is not installed, so not removed. Did you mean '%s'?\n"
 msgstr ""
-" %s '%s' "
+" '%s' '%s' "
 "?\n"

 #: cmdline/apt-get.cc:743 cmdline/apt-get.cc:946
@@ -679,7 +679,7 @@

 #: cmdline/apt-get.cc:1421
 msgid "Note: This is done automatically and on purpose by dpkg."
-msgstr ":  dpkg "
+msgstr ":  dpkg "

 #: cmdline/apt-get.cc:1559
 #, c-format
@@ -2726,7 +2726,7 @@
 #: apt-pkg/sourcelist.cc:116
 #, c-format
 msgid "Malformed line %lu in source list %s ([%s] has no key)"
-msgstr " %2$s  %1$lu  ([%3$s )"
+msgstr " %2$s  %1$lu  ([%3$s] )"

 #: apt-pkg/sourcelist.cc:119
 #, c-format