Update signature of callback function in light of recent changes

Author: saxbophone

sxbp/render_figure_to_svg.c

@@ -170,8 +170,15 @@ static sxbp_result_t sxbp_write_svg_body_origin_dot(
     return SXBP_RESULT_OK;
 }
 
+/*
+ * disable GCC warning about the unused parameter, as this is a callback it must
+ * include all arguments specified by the caller, even if not used
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
 // private, callback function for sxbp_write_svg_body_figure_line()
 static bool sxbp_render_figure_to_bitmap_callback(
+    sxbp_line_t* line,
     sxbp_co_ord_t location,
     void* callback_data
 ) {
@@ -241,6 +248,8 @@ static bool sxbp_render_figure_to_bitmap_callback(
     data->current_point++;
     return true;
 }
+// reënable all warnings
+#pragma GCC diagnostic pop
 
 /*
  * private, given a figure and a buffer, writes out the SVG code for the