kernel: revert r27953

KanjiMonster did the right patch, I was just confused because of linux-3.0 and linux-2.6.30

SVN-Revision: 27954

target/linux/generic/patches-3.0/941-ocf_20110720.patch

@@ -1,3 +1,13 @@
+--- a/kernel/pid.c
++++ b/kernel/pid.c
+@@ -427,6 +427,7 @@ struct task_struct *find_task_by_vpid(pi
+ {
+ 	return find_task_by_pid_ns(vnr, current->nsproxy->pid_ns);
+ }
++EXPORT_SYMBOL(find_task_by_vpid);
+ 
+ struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
+ {
 --- a/drivers/char/random.c
 +++ b/drivers/char/random.c
 @@ -130,6 +130,9 @@