Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/src/otvalid/Jamfile

Index: third_party/freetype2/src/src/otvalid/Jamfile
diff --git a/third_party/freetype2/src/src/otvalid/Jamfile b/third_party/freetype2/src/src/otvalid/Jamfile
new file mode 100644
index 0000000000000000000000000000000000000000..461a22217438762e1500cdded62af3cbb683a4e3
--- /dev/null
+++ b/third_party/freetype2/src/src/otvalid/Jamfile
@@ -0,0 +1,37 @@
+# FreeType 2 src/otvalid Jamfile
+#
+# Copyright 2004-2015 by
+# David Turner, Robert Wilhelm, and Werner Lemberg.
+#
+# This file is part of the FreeType project, and may only be used, modified,
+# and distributed under the terms of the FreeType project license,
+# LICENSE.TXT.  By continuing to use, modify, or distribute this file you
+# indicate that you have read the license and understand and accept it
+# fully.
+
+SubDir  FT2_TOP $(FT2_SRC_DIR) otvalid ;
+
+{
+  local  _sources ;
+
+  if $(FT2_MULTI)
+  {
+    _sources = otvbase
+               otvcommn
+               otvgdef
+               otvgpos
+               otvgsub
+               otvjstf
+               otvmath
+               otvmod
+               ;
+  }
+  else
+  {
+    _sources = otvalid ;
+  }
+
+  Library  $(FT2_LIB) : $(_sources).c ;
+}
+
+# end of src/otvalid Jamfile