Help: Remove unneeded #ifdef.
Help: Remove unneeded #ifdef.

Replace compile-time check for Host OS with runtime check.

Change-Id: I149dc6dd8539e6598c84ae223df3cb76cc8ca675
Reviewed-by: Karsten Heimrich <81d67632fe4bf9afb88a400b41aa25e19a1d2a12@digia.com>

martyone/sailfish-qtcreator,richardmg/qtcreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,richardmg/qtcreator,farseerri/git_code,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,kuba1/qtcreator,farseerri/git_code,xianian/qt-creator,malikcjm/qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,farseerri/git_code,duythanhphan/qt-creator,maui-packages/qt-creator,malikcjm/qtcreator,malikcjm/qtcreator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,duythanhphan/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,richardmg/qtcreator,richardmg/qtcreator,maui-packages/qt-creator,kuba1/qtcreator,danimo/qt-creator,farseerri/git_code,Distrotech/qtcreator,danimo/qt-creator,danimo/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,darksylinc/qt-creator,omniacreator/qtcreator,Distrotech/qtcreator,darksylinc/qt-creator,colede/qtcreator,Distrotech/qtcreator,duythanhphan/qt-creator,kuba1/qtcreator,danimo/qt-creator,kuba1/qtcreator,richardmg/qtcreator,amyvmiwei/qt-creator,malikcjm/qtcreator,danimo/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,duythanhphan/qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,Distrotech/qtcreator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,omniacreator/qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,omniacreator/qtcreator,farseerri/git_code,xianian/qt-creator,xianian/qt-creator,colede/qtcreator,farseerri/git_code,danimo/qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,xianian/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,duythanhphan/qt-creator,amyvmiwei/qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,omniacreator/qtcreator,malikcjm/qtcreator,duythanhphan/qt-creator,omniacreator/qtcreator,colede/qtcreator,farseerri/git_code,darksylinc/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,farseerri/git_code,maui-packages/qt-creator,xianian/qt-creator,colede/qtcreator,richardmg/qtcreator,kuba1/qtcreator,kuba1/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,malikcjm/qtcreator,maui-packages/qt-creator,xianian/qt-creator,colede/qtcreator,martyone/sailfish-qtcreator,malikcjm/qtcreator