lib/syscall.c: unexport task_current_syscall()

It is only used by procfs and procfs cannot be a module.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/lib/syscall.c b/lib/syscall.c
index 58710ee..e30e039 100644
--- a/lib/syscall.c
+++ b/lib/syscall.c
@@ -72,4 +72,3 @@
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(task_current_syscall);