Remove empty lines at end of file

Used command line to remove empty lines at end of file:
find . -type f -exec sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' {} \;

Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10446

doc/intro.txt

@@ -831,4 +831,3 @@ Functions specific to the X11 port of PDCurses:
 	sb_refresh		sb
 
 --------------------------------------------------------------------------
-

x11/sb.c

@@ -148,4 +148,3 @@ int sb_refresh(void)
 
     return OK;
 }
-