-fno-strict-aliasing in libdvm
Add -Wno-unused-but-set-variable to the Dalvik project.
libdvm should block SIGPIPE like the RI does.
Revert "libdvm should block SIGPIPE like the RI does."

This reverts commit 569abe4f84aa4e6f01f28c4e5eef63562a1ec852.
Dalvik: better compat with different compilers