Make test2/test1 static in libitm.c/stackundo.c

libitm.c/stackundo.c fails with -fpic since test1 and test2 may be
preempted with -fpic.  This patch makes those 2 functions static.

	PR libitm/64360
	* libitm.c/stackundo.c (test2): Make it static.
	(test1): Likewise.

From-SVN: r219673

libitm/ChangeLog

+2015-01-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR libitm/64360
+	* libitm.c/stackundo.c (test2): Make it static.
+	(test1): Likewise.
+
 2015-01-05  Jakub Jelinek  <jakub@redhat.com>
 
 	Update copyright years.

libitm/testsuite/libitm.c/stackundo.c

-int __attribute__((noinline)) test2(int x[1000])
+static int __attribute__((noinline)) test2(int x[1000])
 {
   int i;
   return x[12];
 }
 
-int __attribute__((noinline)) test1()
+static int __attribute__((noinline)) test1()
 {
   int x[1000], i;