testcase/network/tc_net_pbuf.c: fix coding violations rule
* OUT: Bytes writable to this fd
*/
-#define FIONBIO _FIOC(0x000b) /* IN: Boolean option takes an
- * int value.
+#define FIONBIO _FIOC(0x000b) /* IN: Boolean option takes an int value.
* OUT: Origin option.
*/
