platform: includes string.h needed by memcpy and strlen

Veijo Pesonen · Veijo Pesonen · commit 8bf6c6b9bfc2 · 2019-02-07T12:17:08.000+02:00
diff --git a/platform/mbed_board.c b/platform/mbed_board.c
@@ -15,6 +15,7 @@
  * limitations under the License.
  */
 #include <stdio.h>
+#include <string.h>
 #include "hal/gpio_api.h"
 #include "platform/mbed_wait_api.h"
 #include "platform/mbed_toolchain.h"
