[autofit] Fix the inclusion of "aflatin2.h" in PIC file.

* src/autofit/afpic.c: Include "aflatin2.h" when
FT_OPTION_AUTOFIT2 is defined, as afglobal.c does so.
Unconditionally inclusion causes declared but unimplemented
warning by GCC 4.6.

ChangeLog

@@ -1,3 +1,12 @@
+2012-01-16  suzuki toshiya  <mpsuzuki@hiroshima-u.ac.jp>
+
+	[autofit] Fix the inclusion of "aflatin2.h" in PIC file.
+
+	* src/autofit/afpic.c: Include "aflatin2.h" when
+	FT_OPTION_AUTOFIT2 is defined, as afglobal.c does so.
+	Unconditionally inclusion causes declared but unimplemented
+	warning by GCC 4.6.
+
 2012-01-16  suzuki toshiya  <mpsuzuki@hiroshima-u.ac.jp>
 
 	[cff] Remove redundant declarations of cff_cmap_XXX_class_rec.

src/autofit/afpic.c

@@ -30,7 +30,9 @@
 
   /* forward declaration of PIC init functions from script classes */
 #include "aflatin.h"
+#ifdef FT_OPTION_AUTOFIT2
 #include "aflatin2.h"
+#endif
 #include "afcjk.h"
 #include "afdummy.h"
 #include "afindic.h"