config: fix number of lights being loaded wrong if config is outdated

src/main/geninput/geninput.def

@@ -36,6 +36,8 @@ EXPORTS
     mapper_get_analog_map
     mapper_get_analog_sensitivity
     mapper_get_npages
+    mapper_get_nanalogs
+    mapper_get_nlights
     mapper_is_analog_absolute
     mapper_iterate_lights
     mapper_iterate_actions

src/main/geninput/input-config.h

@@ -16,6 +16,7 @@ bool mapper_get_action_map(
 bool mapper_get_analog_map(uint8_t analog, struct mapped_analog *ma);
 int32_t mapper_get_analog_sensitivity(uint8_t analog);
 uint8_t mapper_get_nanalogs(void);
+uint8_t mapper_get_nlights(void);
 uint8_t mapper_get_npages(void);
 bool mapper_is_analog_absolute(uint8_t analog);
 action_iter_t mapper_iterate_actions(void);

src/main/geninput/input.c

@@ -149,6 +149,11 @@ uint8_t mapper_get_nanalogs(void)
     return mapper_impl_get_nanalogs(mapper_inst);
 }
 
+uint8_t mapper_get_nlights(void)
+{
+    return mapper_impl_get_nlights(mapper_inst);
+}
+
 uint8_t mapper_get_npages(void)
 {
     return mapper_impl_get_npages(mapper_inst);