libfreehand: FHTransform defined as a struct but declared as a class

MSVC 14.0 is failing to link with unresolved external symbol, because
of struct/class mismatch: [1].

* [1] http://paste.openstack.org/show/447780

Change-Id: I67093550d89b323914ae42014d55e89a38adec8c
Reviewed-on: https://gerrit.libreoffice.org/18528Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: David Ostrovsky <david@ostrovsky.org>

external/libfreehand/UnpackedTarball_libfreehand.mk

@@ -13,6 +13,11 @@ $(eval $(call gb_UnpackedTarball_set_tarball,libfreehand,$(FREEHAND_TARBALL)))
 
 $(eval $(call gb_UnpackedTarball_set_patchlevel,libfreehand,0))
 
+# Was already fixed upstream: d9b10697f3984e51d3870e049b99488d94ee735e
+$(eval $(call gb_UnpackedTarball_add_patches,libfreehand,\
+    external/libfreehand/replace_transform_class_with_struct.patch \
+))
+
 ifeq ($(COM_GCC_IS_CLANG),TRUE)
 ifneq ($(filter -fsanitize=%,$(CC)),)
 $(eval $(call gb_UnpackedTarball_add_patches,libfreehand, \

external/libfreehand/replace_transform_class_with_struct.patch

+Due to class/struct mismatch, MSVC 14.0 is issuing linkage error.
+This was already fixed upstream, and can be removed after bumping
+libfreehand version.
+
+author	David Tardon <dtardon@redhat.com>
+Thu, 11 Jun 2015 17:13:57 +0200 (17:13 +0200)
+committer	David Tardon <dtardon@redhat.com>
+commit	d9b10697f3984e51d3870e049b99488d94ee735e
+WaE: 'FHTransform' defined as a struct here but previously declared as a class
+
+diff -ru libfreehand/src/lib/FHPath.h libfreehand.orig/src/lib/FHPath.h
+--- src/lib/FHPath.h        2015-09-13 11:25:46.523925800 +0200
++++ src/lib/FHPath.h   2015-05-18 06:50:01.000000000 +0200
+@@ -16,7 +16,7 @@
+ namespace libfreehand
+ {
+
+-class FHTransform;
++struct FHTransform;
+
+ class FHPathElement
+ {
+