Free sunxi_disp_t struct directly from sunxi_disp_close()

Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>

src/fbdev.c

@@ -996,7 +996,6 @@ FBDevCloseScreen(CLOSE_SCREEN_ARGS_DECL)
 
 	if (fPtr->sunxi_disp_private) {
 	    sunxi_disp_close(fPtr->sunxi_disp_private);
-	    free(fPtr->sunxi_disp_private);
 	    fPtr->sunxi_disp_private = NULL;
 	}
 

src/sunxi_disp.c

@@ -144,6 +144,7 @@ int sunxi_disp_close(sunxi_disp_t *ctx)
         close(ctx->fd_fb);
         close(ctx->fd_disp);
         ctx->fd_disp = -1;
+        free(ctx);
     }
     return 0;
 }