Patching libgltf: character buffer is used as cstring

Change-Id: If0213fc5406ec9cbdc72be36ffc693fcbbf8ffcc

external/libgltf/UnpackedTarball_libgltf.mk

@@ -24,6 +24,7 @@ $(eval $(call gb_UnpackedTarball_add_patches,libgltf,\
 	external/libgltf/patches/include_typo_texture.patch \
 	external/libgltf/patches/adress_of_temporary.patch \
 	external/libgltf/patches/avoid_c++11.patch \
+	external/libgltf/patches/charbuffer_used_as_cstring.patch \
 ))
 
 # vim: set noet sw=4 ts=4:

external/libgltf/patches/charbuffer_used_as_cstring.patch

+diff -ur libgltf.org/src/RenderScene.cpp libgltf/src/RenderScene.cpp
+--- libgltf.org/src/RenderScene.cpp	2014-04-18 13:52:31.148772285 +0200
++++ libgltf/src/RenderScene.cpp	2014-04-18 15:08:15.001604707 +0200
+@@ -211,7 +211,7 @@
+ {
+     if(0 == jsonfile)
+         return 0;
+-    string tmpStr(jsonfile->buffer);
++    string tmpStr(jsonfile->buffer,jsonfile->size);
+     loadJson.setJsonInfo(tmpStr);
+     if (!loadJson.parseJsonFile())
+         return 0;