staging: sm750fb: Add space after struct definition

This patch fixes checkpatch.pl warning:

WARNING: missing space after struct definition
+typedef struct _pllcalparam{
Signed-off-by: Helen Fornazier <helen.fornazier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_chip.c

@@ -2,7 +2,7 @@
 #include "ddk750_reg.h"
 #include "ddk750_chip.h"
 #include "ddk750_power.h"
-typedef struct _pllcalparam{
+typedef struct _pllcalparam {
 	unsigned char power;/* d : 0~ 6*/
 	unsigned char pod;
 	unsigned char od;