www/seamonkey-i18n: unbreak after r401981

<phase: configure >

> seamonkey-i18n-2.39 cannot install: seamonkey versions mismatch:

seamonkey-39 is installed and wanted version is seamonkey-.

• Error code 1

PR: 204692
Reported by: pkg-fallout, martin.dieringer@gmx.de
MFH: 2015Q4
X-MFH-With: r401981