Fixed Chinese locales on PSP (thanks @ccawley2011!)

(cherry picked from commit 962268ca21ed10b9cee31198c22681099293f20a)
(cherry picked from commit 9791069d78747bbb0aeb9e62b18ecd62e728c466)

src/locale/psp/SDL_syslocale.c

@@ -63,10 +63,10 @@ void SDL_SYS_GetPreferredLocales(char *buf, size_t buflen)
             SDL_strlcpy(buf, "ko_KR", buflen);
             break;
         case PSP_SYSTEMPARAM_LANGUAGE_CHINESE_TRADITIONAL:
-            SDL_strlcpy(buf, "zh_CH", buflen);
+            SDL_strlcpy(buf, "zh_TW", buflen);
             break;
         case PSP_SYSTEMPARAM_LANGUAGE_CHINESE_SIMPLIFIED:
-            SDL_strlcpy(buf, "zh_TW", buflen);
+            SDL_strlcpy(buf, "zh_CN", buflen);
             break;
         default:
             SDL_strlcpy(buf, "en_US", buflen);