SSH: Don't call FileReader::fetch() with empty file name.
SSH: Don't call FileReader::fetch() with empty file name.

Harmless, but triggers a warning in Qt.

Change-Id: I8d86a5bf28a66e47a680d9dd277c4c85b1a8f63f
Reviewed-by: Christian Kandeler <3aa99dcdd3f0cac61fb81c2a11771c0cc2497607@nokia.com>

darksylinc/qt-creator,ostash/qt-creator-i18n-uk,duythanhphan/qt-creator,ostash/qt-creator-i18n-uk,amyvmiwei/qt-creator,bakaiadam/collaborative_qt_creator,colede/qtcreator,omniacreator/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,darksylinc/qt-creator,kuba1/qtcreator,kuba1/qtcreator,hdweiss/qt-creator-visualizer,Distrotech/qtcreator,bakaiadam/collaborative_qt_creator,xianian/qt-creator,kuba1/qtcreator,malikcjm/qtcreator,KDE/android-qt-creator,danimo/qt-creator,richardmg/qtcreator,KDE/android-qt-creator,duythanhphan/qt-creator,jonnor/qt-creator,maui-packages/qt-creator,malikcjm/qtcreator,malikcjm/qtcreator,danimo/qt-creator,danimo/qt-creator,duythanhphan/qt-creator,KDE/android-qt-creator,danimo/qt-creator,azat/qtcreator,malikcjm/qtcreator,syntheticpp/qt-creator,farseerri/git_code,omniacreator/qtcreator,richardmg/qtcreator,martyone/sailfish-qtcreator,darksylinc/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,syntheticpp/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,ostash/qt-creator-i18n-uk,maui-packages/qt-creator,farseerri/git_code,darksylinc/qt-creator,xianian/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,hdweiss/qt-creator-visualizer,KDAB/KDAB-Creator,syntheticpp/qt-creator,maui-packages/qt-creator,syntheticpp/qt-creator,darksylinc/qt-creator,kuba1/qtcreator,richardmg/qtcreator,hdweiss/qt-creator-visualizer,xianian/qt-creator,xianian/qt-creator,farseerri/git_code,martyone/sailfish-qtcreator,malikcjm/qtcreator,martyone/sailfish-qtcreator,ostash/qt-creator-i18n-uk,azat/qtcreator,amyvmiwei/qt-creator,jonnor/qt-creator,hdweiss/qt-creator-visualizer,syntheticpp/qt-creator,amyvmiwei/qt-creator,KDE/android-qt-creator,ostash/qt-creator-i18n-uk,hdweiss/qt-creator-visualizer,azat/qtcreator,farseerri/git_code,azat/qtcreator,richardmg/qtcreator,xianian/qt-creator,xianian/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,KDE/android-qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,jonnor/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,malikcjm/qtcreator,richardmg/qtcreator,KDE/android-qt-creator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,ostash/qt-creator-i18n-uk,azat/qtcreator,syntheticpp/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator,duythanhphan/qt-creator,farseerri/git_code,colede/qtcreator,kuba1/qtcreator,KDAB/KDAB-Creator,duythanhphan/qt-creator,omniacreator/qtcreator,duythanhphan/qt-creator,malikcjm/qtcreator,omniacreator/qtcreator,amyvmiwei/qt-creator,omniacreator/qtcreator,maui-packages/qt-creator,colede/qtcreator,danimo/qt-creator,colede/qtcreator,farseerri/git_code,darksylinc/qt-creator,richardmg/qtcreator,colede/qtcreator,KDAB/KDAB-Creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,hdweiss/qt-creator-visualizer,darksylinc/qt-creator,kuba1/qtcreator,colede/qtcreator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,bakaiadam/collaborative_qt_creator,martyone/sailfish-qtcreator,KDE/android-qt-creator,martyone/sailfish-qtcreator,jonnor/qt-creator,kuba1/qtcreator,KDAB/KDAB-Creator,ostash/qt-creator-i18n-uk,AltarBeastiful/qt-creator,KDE/android-qt-creator,bakaiadam/collaborative_qt_creator,Distrotech/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,syntheticpp/qt-creator,farseerri/git_code,maui-packages/qt-creator,KDAB/KDAB-Creator,bakaiadam/collaborative_qt_creator,azat/qtcreator,danimo/qt-creator,jonnor/qt-creator,AltarBeastiful/qt-creator,darksylinc/qt-creator,farseerri/git_code,omniacreator/qtcreator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,bakaiadam/collaborative_qt_creator,KDAB/KDAB-Creator,omniacreator/qtcreator,martyone/sailfish-qtcreator,jonnor/qt-creator,amyvmiwei/qt-creator