Remove FFI_ from CPDFSDK_Environment method names

fpdfsdk/javascript/app.cpp

Index: fpdfsdk/javascript/app.cpp
diff --git a/fpdfsdk/javascript/app.cpp b/fpdfsdk/javascript/app.cpp
index 0f11609fe75d7f73f5d4040ba9fd0aee55850b77..6e5dc4a2c78b03cc49c9311fd2ec4e0f418b9ad3 100644
--- a/fpdfsdk/javascript/app.cpp
+++ b/fpdfsdk/javascript/app.cpp
@@ -325,7 +325,7 @@ FX_BOOL app::platform(IJS_Context* cc,
       static_cast<CJS_Context*>(cc)->GetJSRuntime()->GetReaderApp();
   if (!pEnv)
     return FALSE;
-  CFX_WideString platfrom = pEnv->FFI_GetPlatform();
+  CFX_WideString platfrom = pEnv->GetPlatform();
   if (!platfrom.IsEmpty()) {
     vp << platfrom;
     return TRUE;
@@ -345,7 +345,7 @@ FX_BOOL app::language(IJS_Context* cc,
       static_cast<CJS_Context*>(cc)->GetJSRuntime()->GetReaderApp();
   if (!pEnv)
     return FALSE;
-  CFX_WideString language = pEnv->FFI_GetLanguage();
+  CFX_WideString language = pEnv->GetLanguage();
   if (!language.IsEmpty()) {
     vp << language;
     return TRUE;