taskmgr: Fix a string resource so its format placeholders can be reordered.

Also the numbers we format are actually unsigned.

po/eo.po

diff --git a/po/eo.po b/po/eo.po
index d7c7700..9293b00 100644
--- a/po/eo.po
+++ b/po/eo.po
@@ -10793,7 +10793,7 @@
 msgstr ""
 
 #: taskmgr.rc:267
-msgid "Mem Usage: %dK / %dK"
+msgid "Mem Usage: %1!u!kB / %2!u!kB"
 msgstr ""
 
 #: taskmgr.rc:272