Fix detection of freetype/freetype.h when the libfreetype version
requires that ft2build.h is included first.
diff --git a/configure.ac b/configure.ac
index bf00ea6..dc79d05 100644
--- a/configure.ac
+++ b/configure.ac
@@ -455,7 +455,10 @@
freetype/ftsnames.h \
freetype/ttnameid.h \
freetype/ftoutln.h \
- freetype/internal/sfnt.h)
+ freetype/internal/sfnt.h,,,
+ [#if HAVE_FT2BUILD_H
+ #include <ft2build.h>
+ #endif])
AC_TRY_CPP([#include <ft2build.h>
#include <freetype/fttrigon.h>],
[AC_DEFINE(HAVE_FREETYPE_FTTRIGON_H, 1,