pw_assert: Switch to the new header names

Bug: 350
Change-Id: Ia395cebedba24c9463e558059ebdb516759253e2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/38740
Commit-Queue: Wyatt Hepler <hepler@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/pw_sync_freertos/interrupt_spin_lock.cc b/pw_sync_freertos/interrupt_spin_lock.cc
index 7c96aa8..656b05c 100644
--- a/pw_sync_freertos/interrupt_spin_lock.cc
+++ b/pw_sync_freertos/interrupt_spin_lock.cc
@@ -14,7 +14,7 @@
 
 #include "pw_sync/interrupt_spin_lock.h"
 
-#include "pw_assert/assert.h"
+#include "pw_assert/check.h"
 #include "pw_interrupt/context.h"
 #include "task.h"