devel/tijmp: fix typo
Forgot a line continuation character ('\').
This resulted in:
> Patching for tijmp-0.8
sed: -I or -i may not be used with stdin
- Error code 1
PR: 272855
Fixes: 7a8f1bb9a37e54e870f83802f381d67e9c485de1 "allow compiling with any jdk"