sound/oss/coproc.h: Checkpatch cleanup

sound/oss/coproc.h:7: ERROR: trailing whitespace
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/oss/coproc.h

@@ -4,7 +4,7 @@
  */
 
 /*
- * Coprocessor access types 
+ * Coprocessor access types
  */
 #define COPR_CUSTOM		0x0001	/* Custom applications */
 #define COPR_MIDI		0x0002	/* MIDI (MPU-401) emulation */