bug fix: also check field assignments when resolving numerical types
bug fix: also check field assignments when resolving numerical types

cfallin/soot,anddann/soot,anddann/soot,cfallin/soot,cfallin/soot,mbenz89/soot,xph906/SootNew,xph906/SootNew,plast-lab/soot,mbenz89/soot,plast-lab/soot,mbenz89/soot,xph906/SootNew,xph906/SootNew,anddann/soot,cfallin/soot,anddann/soot,plast-lab/soot,mbenz89/soot