Don't bother passing -1 as the length to the CFX_ByteString ctor.

core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp

Index: core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
index dc79de687d20c778f176027f0a15d8fd70999076..9c1c292fb7ede048cf4faeee03218517378583cb 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -1108,7 +1108,7 @@ CPDF_Dictionary* CPDF_Document::CreateNewPage(int iPage) {
 
 CPDF_Font* CPDF_Document::AddStandardFont(const FX_CHAR* font,
                                           CPDF_FontEncoding* pEncoding) {
-  CFX_ByteString name(font, -1);
+  CFX_ByteString name(font);
   if (PDF_GetStandardFontName(&name) < 0)
     return nullptr;
   return GetPageData()->GetStandardFont(name, pEncoding);