Bug#176244: held back gcc-3.0 from testing until gcc (>= 3:3.2) hits testing

[Matthias Klose]

Package: gcc-3.0
Severity: serious
Version: 1:3.0.4ds3-14

This version builds the libstdc++ runtime only (and for hppa the C
compiler). Held it back, until the gcc-3.2 transition hits testing.