Implement #defines for try/catch
Implement #defines for try/catch

svn path=/trunk/dom/; revision=3565

Achal-Aggarwal/libdom,prepare/netsurf_libdom,Achal-Aggarwal/libdom,Achal-Aggarwal/libdom,prepare/netsurf_libdom,Achal-Aggarwal/libdom,dunkelstern/libdom,Achal-Aggarwal/libdom,dunkelstern/libdom,dunkelstern/libdom,prepare/netsurf_libdom,prepare/netsurf_libdom,Achal-Aggarwal/libdom,prepare/netsurf_libdom,dunkelstern/libdom,dunkelstern/libdom,dunkelstern/libdom,prepare/netsurf_libdom