Bug#917977: freefem++ build depends on the no longer built libpetsc-{complex,real}3.9-dev

[Adrian Bunk]

Source: freefem++
Version: 3.61.1+dfsg1-3
Severity: serious
Tags: ftbfs

 libpetsc-{complex,real}3.9-dev have been replaced by
 libpetsc-{complex,real}3.10-dev.