Fix wrong filename.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@3015 ea778897-0a13-0410-b9d1-a72fbfd435f5

po/POTFILES.skip

 # List of source files containing translatable strings but should be ignored.
 
 # geany.desktop.in will be translated
-geany.desktop.in.in
+geany.desktop.in
 # generated src/interface.c will be translated
 geany.glade
 # no need to translate this file