fix(rime_levers_api.h): customize_bool() misused bool type

BREAKING CHANGE: in signature of C API function `customize_bool()`,
change type `bool` to `Bool` (alias of `int`).

Impact: the changed function is not in use by any first party code,
known to be in use by osfans/trime.

src/rime/lever/levers_module.cc

@@ -63,8 +63,8 @@ static Bool rime_levers_save_settings(RimeCustomSettings* settings) {
 }
 
 static Bool rime_levers_customize_bool(RimeCustomSettings* settings,
-                                       const char* key, bool value) {
-  an<ConfigItem> item = New<ConfigValue>(value);
+                                       const char* key, Bool value) {
+  an<ConfigItem> item = New<ConfigValue>(bool(value));
   auto custom_settings = reinterpret_cast<CustomSettings*>(settings);
   return custom_settings->Customize(key, item);
 }

src/rime_levers_api.h

@@ -32,7 +32,7 @@ typedef struct rime_levers_api_t {
   void (*custom_settings_destroy)(RimeCustomSettings* settings);
   Bool (*load_settings)(RimeCustomSettings* settings);
   Bool (*save_settings)(RimeCustomSettings* settings);
-  Bool (*customize_bool)(RimeCustomSettings* settings, const char* key, bool value);
+  Bool (*customize_bool)(RimeCustomSettings* settings, const char* key, Bool value);
   Bool (*customize_int)(RimeCustomSettings* settings, const char* key, int value);
   Bool (*customize_double)(RimeCustomSettings* settings, const char* key, double value);
   Bool (*customize_string)(RimeCustomSettings* settings, const char* key, const char* value);