Debugger: Make memory accessible again with gdb < 7.4
Debugger: Make memory accessible again with gdb < 7.4

gdb.selected_inferior is too new for now.

Change-Id: I4290574b6dd2803a2fd2f860700693e7b2ac6efb
Reviewed-by: Rainer Keller <d6eb9b978f771f01e4619abd4992d62df4911cfd@digia.com>
Reviewed-by: hjk <f81b91af79013637d070c18d38a75b90eaae8ba3@nokiamail.com>

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