trivial: kbuild: remove extraneous blank line after declaration of usage()

Signed-off-by: Trevor Keith <tsrk@tsrk.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

scripts/basic/fixdep.c

@@ -125,7 +125,6 @@ char *depfile;
 char *cmdline;
 
 void usage(void)
-
 {
 	fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
 	exit(1);