Switch to using AT_RANDOM for the stack guards.

Bug: 7959813
Change-Id: I8db4b8912ba649bfe668c6f22aa44690ddd401a2
diff --git a/linker/linker.cpp b/linker/linker.cpp
index 77c29a1..d36b1f6 100755
--- a/linker/linker.cpp
+++ b/linker/linker.cpp
@@ -1781,7 +1781,7 @@
      *       to point to a different location to ensure that no other
      *       shared library constructor can access it.
      */
-  __libc_init_tls(&args);
+  __libc_init_tls(args);
 
 #if TIMING
     struct timeval t0, t1;