fix the `transmission.desktop' errors reported by jinzo and Lacrocivious

Makefile.am

@@ -15,13 +15,12 @@ endif
 
 SUBDIRS = third-party libtransmission daemon cli $(GTK_DIR) $(BEOS_DIR) $(MAC_DIR) $(WX_DIR)
 
-DISTCLEANFILES = \
- Transmission.desktop
-
 EXTRA_DIST = \
  NEWS \
  AUTHORS \
  LICENSE \
  README \
  third-party \
- intltool-extract.in intltool-merge.in intltool-update.in 
+ intltool-extract.in \
+ intltool-merge.in \
+ intltool-update.in 

gtk/Makefile.am

@@ -55,6 +55,7 @@ transmission_LDADD = \
 
 DESKTOP_IN_FILES=transmission.desktop.in
 DESKTOP_FILES=$(DESKTOP_IN_FILES:.desktop.in=.desktop)
+@INTLTOOL_DESKTOP_RULE@
 
 Productivitydir = $(datadir)/applications
 Productivity_DATA = $(DESKTOP_FILES)

gtk/transmission.desktop.in

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Encoding=UTF-8
 _Name=Transmission BitTorrent Client
-_Comment=A free, lightweight BitTorrent client with a simple, intuitive interface
+_Comment=A free, intuitive BitTorrent client
 Exec=transmission %F
 Icon=transmission.png
 Terminal=false