Fix C++ Macro Usages definition line in Search Results.
Fix C++ Macro Usages definition line in Search Results.

Add the complete line to the Search Results window,
including '#', "define", macro and macro value and
all possible white spaces between them.
Also covers the case of line continuation in macro
definitions from commit 3dec48557a2b9ff64237d2aa4077c65a62c6af42.

Task-number: QTCREATORBUG-7217

Change-Id: I8b9d0c23d31ef76244833a9b9d67469c5c4a5635
Reviewed-by: Roberto Raggi <5b38c5be65ca2d75b92c40e91029e90f276fd4fe@nokia.com>

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