replaced some hardcoded paths with $kde_*

svn path=/trunk/kdenetwork/kmail/; revision=4611

pics/Makefile.am

@@ -8,5 +8,5 @@ data_DATA = green-bullet.xpm kmfldin.xpm kmfldout.xpm kmfolder.xpm \
 	stopwatch.xbm stopwatchMask.xbm kdelogo.xpm \
 	feather_white.xpm pub_key_red.xpm 
 
-datadir = $(prefix)/share/apps/kmail/pics
+datadir = $(kde_datadir)/kmail/pics
 

pics/toolbar/Makefile.am

@@ -2,5 +2,5 @@
 data_DATA = attach.xpm filedel2.xpm filereply.xpm send.xpm \
 	checkmail.xpm fileforward.xpm filereplyall.xpm thumb_up.xpm
 
-datadir = $(prefix)/share/apps/kmail/pics
+datadir = $(kde_datadir)/kmail/pics