GLSL: Don't crash on declaration without type.
GLSL: Don't crash on declaration without type.

Task-number: QTCREATORBUG-7548
Change-Id: I7b5b8aea2ddd402c27fc4428b5c845030d96addc
Reviewed-by: Roberto Raggi <5b38c5be65ca2d75b92c40e91029e90f276fd4fe@nokia.com>

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