7122222: GC log is limited to 2G for 32-bit
Summary: Enable large file support for generated 32-bit ostream.o on Linux and Solaris (as only the two need this) by setting -D_FILE_OFFSET_BITS=64 in compilation
Reviewed-by: tbell, mgerdin, dcubed
Contributed-by: tamao <tao.mao@oracle.com>