Check that the names buffer is not empty before passing to GetNameFromTT.

core/src/fxge/ge/fx_ge_fontmap.cpp

Index: core/src/fxge/ge/fx_ge_fontmap.cpp
diff --git a/core/src/fxge/ge/fx_ge_fontmap.cpp b/core/src/fxge/ge/fx_ge_fontmap.cpp
index 06b58ea3abc89218be842397200844985c82b89f..890de616d1c6d2c5bcc8c5e07688d7c7e1f24e7c 100644
--- a/core/src/fxge/ge/fx_ge_fontmap.cpp
+++ b/core/src/fxge/ge/fx_ge_fontmap.cpp
@@ -1421,6 +1421,9 @@ void CFX_FolderFontInfo::ReportFace(const CFX_ByteString& path,
   }
   CFX_ByteString names =
       FPDF_LoadTableFromTT(pFile, tables, nTables, 0x6e616d65);
+  if (names.IsEmpty()) {
+    return;
+  }
   CFX_ByteString facename = GetNameFromTT(names, 1);
   CFX_ByteString style = GetNameFromTT(names, 2);
   if (style != "Regular") {