staging: ft1000: Remove parentheses from return arguments

The sematic patch used for this is:

// <smpl>
@@
identifier i;
constant c;
@@

return
- (
    \(i\|-i\|i(...)\|c\)
- )
  ;
// </smpl>
Signed-off-by: Tapasweni Pathak <tapaswenipathak@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ft1000/ft1000-usb/ft1000_debug.c

@@ -365,7 +365,7 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
     /* DEBUG("ft1000_poll_dev called\n"); */
     if (ft1000_flarion_cnt == 0) {
         DEBUG("FT1000:ft1000_poll_dev called when ft1000_flarion_cnt is zero\n");
-        return (-EBADF);
+        return -EBADF;
     }
 
     /* Search for matching file object */
@@ -379,7 +379,7 @@ static unsigned int ft1000_poll_dev(struct file *file, poll_table *wait)
     /* Could not find application info block */
     if (i == MAX_NUM_APP) {
         DEBUG("FT1000:ft1000_ioctl:Could not find application info block\n");
-        return (-EACCES);
+        return -EACCES;
     }
 
     if (list_empty(&dev->app_info[i].app_sqlist) == 0) {
@@ -433,7 +433,7 @@ static long ft1000_ioctl(struct file *file, unsigned int command,
 
     if (ft1000_flarion_cnt == 0) {
         DEBUG("FT1000:ft1000_ioctl called when ft1000_flarion_cnt is zero\n");
-        return (-EBADF);
+        return -EBADF;
     }
 
     /* DEBUG("FT1000:ft1000_ioctl:command = 0x%x argument = 0x%8x\n", command, (u32)argument); */
@@ -541,15 +541,15 @@ static long ft1000_ioctl(struct file *file, unsigned int command,
 
 
             if (ft1000_flarion_cnt == 0) {
-                return (-EBADF);
+                return -EBADF;
             }
 
             if (ft1000dev->DrvMsgPend) {
-                return (-ENOTTY);
+                return -ENOTTY;
             }
 
             if (ft1000dev->fProvComplete == 0) {
-                return (-EACCES);
+                return -EACCES;
             }
 
             ft1000dev->fAppMsgPend = 1;
@@ -678,7 +678,7 @@ static long ft1000_ioctl(struct file *file, unsigned int command,
             /* DEBUG("FT1000:ft1000_ioctl: IOCTL_FT1000_GET_DPRAM called\n"); */
 
             if (ft1000_flarion_cnt == 0) {
-                return (-EBADF);
+                return -EBADF;
             }
 
             /* Search for matching file object */
@@ -762,7 +762,7 @@ static int ft1000_release(struct inode *inode, struct file *file)
 
     if (ft1000_flarion_cnt == 0) {
         ft1000dev->appcnt--;
-        return (-EBADF);
+        return -EBADF;
     }
 
     /* Search for matching file object */