Be more liberal when scanning %extend
Be more liberal when scanning %extend

The name behind %extend can be the original struct name or the
typedef'd name, let the rdoc parser allow both.

openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings,openSUSE/sat-solver-bindings