Some work on wtp and ktv config files

FossilOrigin-Name: 3747732055809fd587f96cff65c389a0878a09a197947c1e68a76f605bdb44a0

src/cw/cw_ktv_mavlcmp.c

@@ -0,0 +1,6 @@
+#include "ktv.h"
+
+int cw_ktv_mavlcmp(const void *v1, const void *v2)
+{
+	return strcmp(((cw_KTV_t *) v1)->key, ((cw_KTV_t *) v2)->key);
+}