examples/performance-thread: remove useless include

There is no function to refer any part of execinfo.h, so remove the
reference to it.
And there is no this file in musl. So need to remove it to support musl.

Signed-off-by: Wei Dai <wei.dai@intel.com>

diff --git a/examples/performance-thread/common/lthread_tls.c b/examples/performance-thread/common/lthread_tls.c
index 6876f83..47505f2 100644 (file)
--- a/examples/performance-thread/common/lthread_tls.c
+++ b/examples/performance-thread/common/lthread_tls.c
@@ -42,7 +42,6 @@
 #include <fcntl.h>
 #include <sys/time.h>
 #include <sys/mman.h>
-#include <execinfo.h>
 #include <sched.h>
 
 #include <rte_malloc.h>