Use -Wno-error=maybe-uninitialized when compiling boringssl-static on linux
Use -Wno-error=maybe-uninitialized when compiling boringssl-static on linux

Motivation:

Latest boringssl chromium-stable fails to build if '-Wno-error=maybe-uninitialized' is not used.

Modifications:

Add -Wino-error=maybe-uninitialized to build flags

Result:

Build works again on linux.

netty/netty-tcnative,netty/netty-tcnative,netty/netty-tcnative,netty/netty-tcnative