Whitespace corrections

Signed-off-by: Murray Calavera <murray.calavera@gmail.com>
diff --git a/src/libbacklight.c b/src/libbacklight.c
index 54f3318..722d66f 100644
--- a/src/libbacklight.c
+++ b/src/libbacklight.c
@@ -259,7 +259,7 @@
 
 		parent = basename(buffer);
 
-		/* Perform matching for raw and firmware backlights - 
+		/* Perform matching for raw and firmware backlights -
 		   platform backlights have to be assumed to match */
 		if (entry_type == BACKLIGHT_RAW ||
 		    entry_type == BACKLIGHT_FIRMWARE) {