Fix C++ compilation (#45762).

* src/base/ftstroke.c (ft_outline_glyph_class): Use
FT_CALLBACK_TABLE.

ChangeLog

@@ -1,3 +1,10 @@
+2015-08-15  pazer  <ibemad@gmail.com>
+
+	Fix C++ compilation (#45762).
+
+	* src/base/ftstroke.c (ft_outline_glyph_class): Use
+	FT_CALLBACK_TABLE.
+
 2015-08-14  Alexei Podtelezhnikov  <apodtele@gmail.com>
 
 	[truetype] Clean up.

src/base/ftstroke.c

@@ -24,6 +24,16 @@
 #include FT_INTERNAL_DEBUG_H
 #include FT_INTERNAL_OBJECTS_H
 
+#include "basepic.h"
+
+
+  /* declare an extern to access `ft_outline_glyph_class' globally     */
+  /* allocated  in `ftglyph.c', and use the FT_OUTLINE_GLYPH_CLASS_GET */
+  /* macro to access it when FT_CONFIG_OPTION_PIC is defined           */
+#ifndef FT_CONFIG_OPTION_PIC
+  FT_CALLBACK_TABLE const FT_Glyph_Class  ft_outline_glyph_class;
+#endif
+
 
   /* documentation is in ftstroke.h */
 
@@ -2285,15 +2295,6 @@
   }
 
 
-  /* declare an extern to access `ft_outline_glyph_class' globally     */
-  /* allocated  in `ftglyph.c', and use the FT_OUTLINE_GLYPH_CLASS_GET */
-  /* macro to access it when FT_CONFIG_OPTION_PIC is defined           */
-#ifndef FT_CONFIG_OPTION_PIC
-  extern const FT_Glyph_Class  ft_outline_glyph_class;
-#endif
-#include "basepic.h"
-
-
   /* documentation is in ftstroke.h */
 
   FT_EXPORT_DEF( FT_Error )