ARROW-3287: [C++] Suppress "redeclared without dllimport attribute" warning from MinGW
ARROW-3287: [C++] Suppress "redeclared without dllimport attribute" warning from MinGW

This fixes the following warning from MinGW:

    ../apache-arrow-0.11.0/c_glib/../cpp/src/arrow/status.h:265:8: warning: 'arrow::Status::Status(arrow::Status&&)' redeclared without dllimport attribute after being referenced with dll linkage
     inline Status::Status(Status&& s) noexcept : state_(s.state_) { s.state_ = NULL; }
            ^~~~~~

Author: Kouhei Sutou <kou@clear-code.com>

Closes #2602 from kou/cpp-add-missing-inline and squashes the following commits:

d4c18a750 <Kouhei Sutou>  Add missing inline

xhochy/arrow,icexelloss/arrow,pcmoritz/arrow,majetideepak/arrow,apache/arrow,cpcloud/arrow,majetideepak/arrow,apache/arrow,pcmoritz/arrow,apache/arrow,majetideepak/arrow,kou/arrow,icexelloss/arrow,pcmoritz/arrow,pcmoritz/arrow,laurentgo/arrow,apache/arrow,majetideepak/arrow,renesugar/arrow,cpcloud/arrow,icexelloss/arrow,tebeka/arrow,renesugar/arrow,xhochy/arrow,apache/arrow,wesm/arrow,tebeka/arrow,renesugar/arrow,renesugar/arrow,kou/arrow,pcmoritz/arrow,kou/arrow,xhochy/arrow,renesugar/arrow,icexelloss/arrow,itaiin/arrow,laurentgo/arrow,majetideepak/arrow,apache/arrow,icexelloss/arrow,cpcloud/arrow,kou/arrow,icexelloss/arrow,apache/arrow,xhochy/arrow,wesm/arrow,wesm/arrow,wesm/arrow,itaiin/arrow,majetideepak/arrow,xhochy/arrow,wesm/arrow,wesm/arrow,wesm/arrow,itaiin/arrow,itaiin/arrow,laurentgo/arrow,pcmoritz/arrow,itaiin/arrow,apache/arrow,icexelloss/arrow,kou/arrow,xhochy/arrow,majetideepak/arrow,pcmoritz/arrow,renesugar/arrow,icexelloss/arrow,renesugar/arrow,icexelloss/arrow,xhochy/arrow,itaiin/arrow,xhochy/arrow,kou/arrow,kou/arrow,wesm/arrow,laurentgo/arrow,cpcloud/arrow,renesugar/arrow,tebeka/arrow,renesugar/arrow,itaiin/arrow,cpcloud/arrow,majetideepak/arrow,itaiin/arrow,cpcloud/arrow,cpcloud/arrow,apache/arrow,kou/arrow,laurentgo/arrow,xhochy/arrow,cpcloud/arrow,wesm/arrow,wesm/arrow,wesm/arrow,majetideepak/arrow,laurentgo/arrow,pcmoritz/arrow,kou/arrow,renesugar/arrow,icexelloss/arrow,kou/arrow,pcmoritz/arrow,icexelloss/arrow,tebeka/arrow,laurentgo/arrow,laurentgo/arrow,pcmoritz/arrow,renesugar/arrow,xhochy/arrow,laurentgo/arrow,apache/arrow,kou/arrow,majetideepak/arrow,laurentgo/arrow,renesugar/arrow,wesm/arrow,xhochy/arrow,xhochy/arrow,xhochy/arrow,kou/arrow,itaiin/arrow,majetideepak/arrow,xhochy/arrow,icexelloss/arrow,itaiin/arrow,cpcloud/arrow,itaiin/arrow,icexelloss/arrow,cpcloud/arrow,itaiin/arrow,kou/arrow,majetideepak/arrow,apache/arrow,wesm/arrow,tebeka/arrow,itaiin/arrow,tebeka/arrow,pcmoritz/arrow,laurentgo/arrow,laurentgo/arrow,tebeka/arrow,majetideepak/arrow,pcmoritz/arrow,pcmoritz/arrow,pcmoritz/arrow,majetideepak/arrow,renesugar/arrow,laurentgo/arrow,itaiin/arrow,apache/arrow,cpcloud/arrow,tebeka/arrow,xhochy/arrow,apache/arrow,apache/arrow,laurentgo/arrow,tebeka/arrow,majetideepak/arrow,renesugar/arrow,pcmoritz/arrow,cpcloud/arrow,cpcloud/arrow,kou/arrow,tebeka/arrow,itaiin/arrow,laurentgo/arrow,cpcloud/arrow,wesm/arrow,icexelloss/arrow,renesugar/arrow