staging: line6/pcm.c: Removed trailing whitespace

Removed a line of only whitespace

Signed-off-by: Johannes Thumshirn <morbidrsa@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index 90d2d44..5e319e3 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -99,7 +99,7 @@
 	unsigned long flags_new = flags_old | channels;
 	unsigned long flags_final = flags_old;
 	int err = 0;
-	
+
 	line6pcm->prev_fbuf = NULL;
 
 	if (test_flags(flags_old, flags_new, LINE6_BITS_CAPTURE_BUFFER)) {