Fix formatting

Author: Dave Bartolomeo

cpp/ql/src/semmle/code/cpp/ir/dataflow/internal/DataFlowUtil.qll

@@ -362,7 +362,7 @@ private class ExplicitFieldStoreQualifierNode extends PartialDefinitionNode {
 
 /**
  * Not every store instruction generates a chi instruction that we can attach a PostUpdateNode to.
- * For instance, an update to a field of a struct containing only one field. Even if the store does 
+ * For instance, an update to a field of a struct containing only one field. Even if the store does
  * have a chi instruction, a subsequent use of the result of the store may be linked directly to the
  * result of the store as an inexact definition if the store totally overlaps the use. For these
  * cases we attach the PostUpdateNode to the store instruction. There's no obvious pre update node