Merge pull request #711 from PX4/sdlog2_opt

sdlog2 optimization

src/modules/sdlog2/logbuffer.c

@@ -74,8 +74,9 @@ bool logbuffer_write(struct logbuffer_s *lb, void *ptr, int size)
 	// bytes available to write
 	int available = lb->read_ptr - lb->write_ptr - 1;
 
-	if (available < 0)
+	if (available < 0) {
 		available += lb->size;
+	}
 
 	if (size > available) {
 		// buffer overflow

src/modules/sdlog2/sdlog2_messages.h

@@ -267,13 +267,13 @@ struct log_DIST_s {
 /* --- TELE - TELEMETRY STATUS --- */
 #define LOG_TELE_MSG 22
 struct log_TELE_s {
-    uint8_t rssi;
-    uint8_t remote_rssi;
-    uint8_t noise;
-    uint8_t remote_noise;
-    uint16_t rxerrors;
-    uint16_t fixed;
-    uint8_t txbuf;
+	uint8_t rssi;
+	uint8_t remote_rssi;
+	uint8_t noise;
+	uint8_t remote_noise;
+	uint16_t rxerrors;
+	uint16_t fixed;
+	uint8_t txbuf;
 };
 
 /********** SYSTEM MESSAGES, ID > 0x80 **********/