[patch] Use -m32 for cross compilation.

[Jules Bergmann]

Fixes to use '-m32' for cross compilation instead of host/build/target 
options.  I ended up using a wrapper for ATLAS (gcc-m32.sh == "gcc 
-m32") because it does not reliabily use CFLAGS.

Patch applied.

I'm going to fire off a set of builds momentarily.  Cross your fingers! :)

Note: Don't pass -NDEBUG to ATLAS as its configuration programs do work 
in the assert (for example: "assert(tmpnam(tnam))").

				-- Jules