Fix applications desktop files location

to be compliant with xdg specification

Signed-off-by: François Andriot <francois.andriot@free.fr>
(cherry picked from commit 0bdac9f154)

src/Makefile.am

@@ -25,8 +25,7 @@ kasablanca_LDFLAGS = $(TDE_RPATH) $(all_libraries)
 kasablanca_LDADD = -lssl $(LIB_TDEUI) -lcrypto $(LIB_TDECORE) -lDCOP $(LIB_QT)
 
 # this is where the desktop file will go 
-shelldesktopdir = $(kde_appsdir)/Utilities
-shelldesktop_DATA = kasablanca.desktop
+xdg_apps_DATA = kasablanca.desktop
 
 # this is where the shell's XML-GUI resource file goes
 shellrcdir = $(kde_datadir)/kasablanca