Extern in .cpp file is a code smell, part 2.

core/src/fxge/ge/fx_ge_font.cpp

Index: core/src/fxge/ge/fx_ge_font.cpp
diff --git a/core/src/fxge/ge/fx_ge_font.cpp b/core/src/fxge/ge/fx_ge_font.cpp
index d729d2ac1dcd3486187db84e0e25649952c44d41..f739409d7661efb732ca7f7d801899682dcba9dc 100644
--- a/core/src/fxge/ge/fx_ge_font.cpp
+++ b/core/src/fxge/ge/fx_ge_font.cpp
@@ -8,9 +8,6 @@
 #include "../../../include/fxge/fx_freetype.h"
 #include "text_int.h"
 #define EM_ADJUST(em, a) (em == 0 ? (a) : (a)*1000 / em)
-extern void _FPDFAPI_GetInternalFontData(int id1,
-                                         const uint8_t*& data,
-                                         FX_DWORD& size);
 CFX_Font::CFX_Font() {
   m_pSubstFont = NULL;
   m_Face = NULL;