Warnings from static build on Titan

Created by: williamfgc

../../../lib64/libadios2sys.a(SystemTools.cxx.o): In function adios2sys::SystemTools::ConvertToUnixSlashes(std::string&)': SystemTools.cxx:(.text+0x1cbe): warning: Using 'getpwnam' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking ../../../lib64/libgtest.a(gtest-all.cc.o): In function testing::internal::StreamingListener::SocketWriter::MakeConnection()': gtest-all.cc:(.text+0xd718): warning: Using 'getaddrinfo' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking