Patch GOffice so that libtool will build shared libraries.

This hasn't been a problem before but building failed on Windows 10.

defaults.sh

@@ -297,7 +297,7 @@ set_default LIBGSF_DIR $GLOBAL_DIR\\libgsf
 GOFFICE_VERSION="0.8.17"
 set_default GOFFICE_URL "$GNOME_MIRROR/sources/goffice/0.8/goffice-${GOFFICE_VERSION}.tar.bz2"
 set_default GOFFICE_DIR $GLOBAL_DIR\\goffice
-#set_default GOFFICE_PATCH `pwd`/goffice-x.x.x.patch
+set_default GOFFICE_PATCH `pwd`/goffice-enable-shared.patch
 
 set_default GLADE_URL "$GNOME_MIRROR/sources/glade3/3.0/glade3-3.1.2.tar.bz2"
 set_default GLADE_DIR $GLOBAL_DIR\\glade

goffice-enable-shared.patch

@@ -0,0 +1,11 @@
+--- a/configure.in	2011-06-16 16:46:53 -0700
++++ b/configure.in	2016-10-22 15:29:49 -0700
+@@ -69,7 +69,7 @@
+ AC_PROG_YACC
+ AM_PROG_LEX
+ AC_PROG_LN_S
+-AM_PROG_LIBTOOL
++LT_INIT([win32-dll])
+ DOLT
+ AC_STDC_HEADERS
+ AC_SYS_LARGEFILE