Remove a few more warning causes.

player.c

@@ -716,7 +716,7 @@ static abuf_t *buffer_get_frame(rtsp_conn_info *conn) {
   // struct timespec tn;
   abuf_t *abuf = 0;
   int i;
-  abuf_t *curframe;
+  abuf_t *curframe = 0;
   int notified_buffer_empty = 0; // diagnostic only
 
   pthread_mutex_lock(&conn->ab_mutex);

tinyhttp/http.c

@@ -48,7 +48,7 @@ static void grow_scratch(struct http_roundtripper* rt, int size)
     if (nsize < size)
         nsize = size;
 
-	rt->scratch = (char*)rt->funcs.realloc_scratch(rt->opaque, rt->scratch, nsize);
+	  rt->scratch = (char*)rt->funcs.realloc_scratch(rt->opaque, rt->scratch, nsize);
     rt->nscratch = nsize;
 }