fixed signature parameter name

Author: ubidefeo

libraries/LED_Matrix/src/LED_Matrix.h

@@ -171,14 +171,15 @@ class LED_Matrix {
         j = (j + 1) % _lines;
         memcpy(framebuffer, (uint32_t*)frame, sizeof(frame));
     }
-    void render_buffer(const uint32_t _frame[3]){
+    void render_buffer(const uint32_t buffer[3]){
         uint32_t frame[3];
         static int j = 0;
-        frame[0] = reverse(*(_frame+(j*4)+0));
-        frame[1] = reverse(*(_frame+(j*4)+1));
-        frame[2] = reverse(*(_frame+(j*4)+2));
+        frame[0] = reverse(*(buffer+(j*4)+0));
+        frame[1] = reverse(*(buffer+(j*4)+1));
+        frame[2] = reverse(*(buffer+(j*4)+2));
         memcpy(framebuffer, (uint32_t*)frame, sizeof(frame));
     }
+    void render_frame(const )
     void load_wrapper(const uint32_t frames[][4], uint32_t howMany) {
         _frames = (uint32_t*)frames;
         _lines = (howMany / 4) / sizeof(uint32_t);