Fix building from MSYS shell
Fix building from MSYS shell

In debugger.pro, take path that checks and sets
QMAKE_CHK_EXISTS_GLUE if QMAKE_SH isn't empty.

Change-Id: I7c37acc5867c1ac3ab6da33db3eb2479c1d4213c
Reviewed-by: Alexey Pavlov <a2d0edc09872821ee6522bae86d17f1086c10737@gmail.com>
Reviewed-by: hjk <f81b91af79013637d070c18d38a75b90eaae8ba3@nokiamail.com>

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