Result.py: Modify docstring definition of diffs
Result.py: Modify docstring definition of diffs

It modifies docstring param definition of diffs
as it was confusing. There should be only one
diff object attached with a particular filename.

Fixes https://github.com/coala/coala/issues/3034

yashtrivedi96/coala,CruiseDevice/coala,damngamerz/coala,jayvdb/coala,nemaniarjun/coala,ayushin78/coala,SanketDG/coala,meetmangukiya/coala,Shade5/coala,incorrectusername/coala,Balaji2198/coala,yashLadha/coala,JohnS-01/coala,Nosferatul/coala,kartikeys98/coala,RJ722/coala,impmihai/coala,yashtrivedi96/coala,CruiseDevice/coala,NiklasMM/coala,Shade5/coala,ayushin78/coala,Asalle/coala,Asalle/coala,kartikeys98/coala,RJ722/coala,netman92/coala,arjunsinghy96/coala,jayvdb/coala,yashtrivedi96/coala,karansingh1559/coala,damngamerz/coala,Nosferatul/coala,netman92/coala,impmihai/coala,aptrishu/coala,aptrishu/coala,yashLadha/coala,MariosPanag/coala,meetmangukiya/coala,rimacone/testing2,karansingh1559/coala,coala-analyzer/coala,JohnS-01/coala,refeed/coala,SanketDG/coala,coala/coala,meetmangukiya/coala,incorrectusername/coala,nemaniarjun/coala,Asnelchristian/coala,Shade5/coala,yashLadha/coala,Asalle/coala,shreyans800755/coala,refeed/coala,Nosferatul/coala,nemaniarjun/coala,rimacone/testing2,rimacone/testing2,kartikeys98/coala,Asnelchristian/coala,SanketDG/coala,MariosPanag/coala,shreyans800755/coala,ayushin78/coala,CruiseDevice/coala,damngamerz/coala,arush0311/coala,karansingh1559/coala,JohnS-01/coala,Balaji2198/coala,Asnelchristian/coala,netman92/coala,sagark123/coala,impmihai/coala,jayvdb/coala,refeed/coala,Balaji2198/coala,sagark123/coala,MariosPanag/coala,arjunsinghy96/coala,coala-analyzer/coala,coala/coala,NiklasMM/coala,coala-analyzer/coala,incorrectusername/coala,NiklasMM/coala,coala/coala,aptrishu/coala,arjunsinghy96/coala,arush0311/coala,RJ722/coala,sagark123/coala,shreyans800755/coala,arush0311/coala