Get rid of FX_LPCSTR cast.

core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp

Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
index 7559bcee919c8cfe4699a75e3d9d98ea167f9e65..e5e68c2f5c37fb32dfbc3a4dd3be96aefc658b52 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp
@@ -284,14 +284,14 @@ CFX_ByteString PDF_NameDecode(FX_BSTR bstr)
 }
 CFX_ByteString PDF_NameDecode(const CFX_ByteString& orig)
 {
-    if (FXSYS_memchr((FX_LPCSTR)orig, '#', orig.GetLength()) == NULL) {
+    if (FXSYS_memchr(orig.c_str(), '#', orig.GetLength()) == NULL) {
         return orig;
     }
     return PDF_NameDecode(CFX_ByteStringC(orig));
 }
 CFX_ByteString PDF_NameEncode(const CFX_ByteString& orig)
 {
-    FX_LPBYTE src_buf = (FX_LPBYTE)(FX_LPCSTR)orig;
+    FX_LPBYTE src_buf = (FX_LPBYTE)orig.c_str();
     int src_len = orig.GetLength();
     int dest_len = 0;
     int i;