Balsa 2.2.6 fails on RELENG_4

[Troy]

I was trying to install Balsa on RELENG_4 and ran into the following:

address.c: In function `libbalsa_address_get_edit_widget':
address.c:399: initializer element is not constant
address.c:399: (near initialization for `labels[0]')
address.c:400: initializer element is not constant
address.c:400: (near initialization for `labels[1]')
address.c:402: initializer element is not constant
address.c:402: (near initialization for `labels[2]')
address.c:404: initializer element is not constant
address.c:404: (near initialization for `labels[3]')
address.c:405: initializer element is not constant
address.c:405: (near initialization for `labels[4]')
address.c:406: initializer element is not constant
address.c:406: (near initialization for `labels[5]')
address.c:408: initializer element is not constant
address.c:408: (near initialization for `labels[6]')
address.c:492: warning: passing arg 1 of `gtk_label_new_with_mnemonic'
makes pointer from integer wi
thout a cast
gmake[3]: *** [address.o] Error 1
gmake[3]: Leaving directory
`/usr/ports/mail/balsa/work/balsa-2.2.6/libbalsa'
gmake[2]: *