Fix typo

Author: odersky

compiler/src/dotty/tools/dotc/typer/Applications.scala

@@ -217,7 +217,7 @@ trait Applications extends Compatibility { self: Typer with Dynamic =>
         // apply the result type constraint, unless method type is dependent
         val resultApprox = resultTypeApprox(methType)
         val savedConstraint = ctx.typerState.constraint
-        if (!constrainResult(resultApprox, resultType) 
+        if (!constrainResult(resultApprox, resultType))
           if (ctx.typerState.isCommittable)
             // defer the problem until after the application;
             // it might be healed by an implicit conversion