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 6876f831b7fac12ad889fd026bf8aaed1df0757c..47505f2d42a0d1d556438f1a3c219082634e72b9 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>