Rename CPDFDoc_Environment to CPDFSDK_Environment

fpdfsdk/javascript/JS_Runtime_Stub.cpp

Index: fpdfsdk/javascript/JS_Runtime_Stub.cpp
diff --git a/fpdfsdk/javascript/JS_Runtime_Stub.cpp b/fpdfsdk/javascript/JS_Runtime_Stub.cpp
index 2b4a624c0e7c1233548d7ce8eec58d811645f5d9..2c7eda8a7eb6b48198eb6aa63b72bee7c127d900 100644
--- a/fpdfsdk/javascript/JS_Runtime_Stub.cpp
+++ b/fpdfsdk/javascript/JS_Runtime_Stub.cpp
@@ -163,6 +163,6 @@ void IJS_Runtime::Initialize(unsigned int slot, void* isolate) {}
 void IJS_Runtime::Destroy() {}
 
 // static
-IJS_Runtime* IJS_Runtime::Create(CPDFDoc_Environment* pEnv) {
+IJS_Runtime* IJS_Runtime::Create(CPDFSDK_Environment* pEnv) {
   return new CJS_RuntimeStub;
 }