Merge "[libbacktrace] Fix sign-compare warning"
am: 1f09b58aca

Change-Id: Ib363ef69c5bfa38a0ecb8353a4fbe1936078e34e
diff --git a/libbacktrace/BacktraceCurrent.cpp b/libbacktrace/BacktraceCurrent.cpp
index 39cb995..038b59e 100644
--- a/libbacktrace/BacktraceCurrent.cpp
+++ b/libbacktrace/BacktraceCurrent.cpp
@@ -76,7 +76,7 @@
     return UnwindFromContext(num_ignore_frames, ucontext);
   }
 
-  if (Tid() != android::base::GetThreadId()) {
+  if (Tid() != static_cast<pid_t>(android::base::GetThreadId())) {
     return UnwindThread(num_ignore_frames);
   }