Change the members position to have the same order in c and c++ (#1518)

Change the members position to have the same order in c and c++. Change in the C API to keep the C++ API with the fixed ABI.

include/led-matrix-c.h

@@ -121,6 +121,14 @@ struct RGBLedMatrixOptions {
    */
   int multiplexing;
 
+  /* Allow to use the hardware subsystem to create pulses. This won't do
+   * anything if output enable is not connected to GPIO 18.
+   * Corresponding flag: --led-hardware-pulse
+   */
+  bool disable_hardware_pulsing;
+  bool show_refresh_rate;     /* Corresponding flag: --led-show-refresh    */
+  bool inverse_colors;        /* Corresponding flag: --led-inverse         */
+
   /* In case the internal sequence of mapping is not "RGB", this contains the
    * real mapping. Some panels mix up these colors.
    */
@@ -140,14 +148,6 @@ struct RGBLedMatrixOptions {
 
   /** The following are boolean flags, all off by default **/
 
-  /* Allow to use the hardware subsystem to create pulses. This won't do
-   * anything if output enable is not connected to GPIO 18.
-   * Corresponding flag: --led-hardware-pulse
-   */
-  char disable_hardware_pulsing;
-  char show_refresh_rate;     /* Corresponding flag: --led-show-refresh    */
-  char inverse_colors;        /* Corresponding flag: --led-inverse         */
-
   /* Limit refresh rate of LED panel. This will help on a loaded system
    * to keep a constant refresh rate. <= 0 for no limit.
    */