Fix PR5578

Seppo Takalo · Seppo Takalo · commit 6c3f307257bb · 2017-12-21T12:22:11.000+02:00
diff --git a/platform/CircularBuffer.h b/platform/CircularBuffer.h
@@ -17,6 +17,7 @@
 #define MBED_CIRCULARBUFFER_H
 
 #include "platform/mbed_critical.h"
+#include "platform/mbed_assert.h"
 
 namespace mbed {
 
