fix -std=gnu99-isms

Author: tve

libs/network/esp8266/network_esp8266.c

@@ -343,7 +343,8 @@ static void dumpEspConn(
  * socket can be found, return -1.
  */
 static int getNextFreeSocket() {
-	for (int i=0; i<MAX_SOCKETS; i++) {
+	int i;
+	for (i=0; i<MAX_SOCKETS; i++) {
 		if (socketArray[i].state == SOCKET_STATE_UNUSED) {
 			return i;
 		}
@@ -455,7 +456,8 @@ static void releaseSocket(
  * Walk through each of the sockets and initialize each one.
  */
 void netInit_esp8266_board() {
-	for (int socketArrayIndex=0; socketArrayIndex<MAX_SOCKETS; socketArrayIndex++) {
+	int socketArrayIndex;
+	for (socketArrayIndex=0; socketArrayIndex<MAX_SOCKETS; socketArrayIndex++) {
 		resetSocket(socketArrayIndex);
 	} // End of for each socket
 } // netInit_esp8266_board

targets/esp8266/esp8266_board_utils.c

@@ -62,7 +62,8 @@ void esp8266_board_writeString(
 	) {
 	assert(length==0 || buffer != NULL);
 
-	for (size_t i=0; i<length; i++) {
+	size_t i;
+	for (i=0; i<length; i++) {
 		os_printf("%c", buffer[i]);
 	}
 } // End of esp8266_board_writeString

targets/esp8266/jshardware.c

@@ -108,7 +108,8 @@ void jshDelayMicroseconds(int microsec) {
 	// for the given number of microseconds PLUS multiple calls back to the
 	// WiFi environment.
 	int count = microsec / MAX_SLEEP_TIME_US;
-	for (int i=0; i<count; i++) {
+	int i;
+	for (i=0; i<count; i++) {
 		os_delay_us(MAX_SLEEP_TIME_US);
 		// We may have a problem here.  It was my understanding that system_soft_wdt_feed() fed
 		// the underlying OS but this appears not to be the case and all it does is prevent a