adds small changes to make tx_port for non-smp consistent with the one that implements smp

port/threadx/inc/tx_port.h

@@ -72,11 +72,6 @@
 
 #else /*not __ASSEMBLER__ */
 
-/* Include for memset.  */
-#include <string.h>
-/* include for strtoul*/
-#include <stdlib.h>
-
 /* Determine if the optional ThreadX user define file should be used.  */
 
 #ifdef TX_INCLUDE_USER_DEFINE_FILE
@@ -90,6 +85,9 @@
 
 /* Define compiler library include files.  */
 
+#include <stdlib.h>
+#include <string.h>
+
 /* Define ThreadX basic types for this port.  */
 
 #define VOID void