Update freetype sources (2.6.2) in third party.

third_party/freetype2/src/builds/os2/os2-dev.mk

Index: third_party/freetype2/src/builds/os2/os2-dev.mk
diff --git a/third_party/freetype2/src/builds/os2/os2-dev.mk b/third_party/freetype2/src/builds/os2/os2-dev.mk
new file mode 100644
index 0000000000000000000000000000000000000000..eacf58f8a3d4173347571ad59e409169312670a7
--- /dev/null
+++ b/third_party/freetype2/src/builds/os2/os2-dev.mk
@@ -0,0 +1,30 @@
+#
+# FreeType 2 configuration rules for OS/2 + GCC
+#
+#   Development version without optimizations.
+#
+
+
+# Copyright 1996-2015 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.
+
+
+DEVEL_DIR := $(TOP_DIR)/devel
+
+# include OS/2-specific definitions
+include $(TOP_DIR)/builds/os2/os2-def.mk
+
+# include gcc-specific definitions
+include $(TOP_DIR)/builds/compiler/gcc-dev.mk
+
+# include linking instructions
+include $(TOP_DIR)/builds/link_dos.mk
+
+
+# EOF