Control: Add debug display, do assorted fixes.

Core/KeyMap.cpp

@@ -424,9 +424,10 @@ const KeyMap_IntStrPair psp_button_names[] = {
 };
 
 static std::string FindName(int key, const KeyMap_IntStrPair list[], size_t size) {
-	for (size_t i = 0; i < size; i++)
+	for (size_t i = 0; i < size; i++) {
 		if (list[i].key == key)
 			return list[i].name;
+	}
 	return StringFromFormat("%02x?", key);
 }