Update cpp/ql/src/semmle/code/cpp/Location.qll

Co-authored-by: Jonas Jensen <[email protected]>

Author: geoffw0

cpp/ql/src/semmle/code/cpp/Location.qll

@@ -128,7 +128,7 @@ deprecated library class LocationExpr extends Location, @location_expr { }
  * Gets the length of the longest line in file `f`.
  */
 pragma[nomagic]
-private int maxCols(File f) { result = max(Location l | l.getFile() = f | [l.getStartColumn(), l.getEndColumn()]) }
+private int maxCols(File f) { result = max(Location l | l.getFile() = f | l.getStartColumn().maximum(l.getEndColumn())) }
 
 /**
  * A C/C++ element that has a location in a file