Bug 1424839 - Continue checking selections after a collapsed one r=mats

MozReview-Commit-ID: 4YXtx2bEprU

--HG--
extra : rebase_source : 3c94d78c9865d31f9c87e713b58922164ac6d805

dom/base/nsRange.cpp

@@ -267,7 +267,7 @@ nsRange::IsNodeSelected(nsINode* aNode, uint32_t aStartOffset,
                 static_cast<int32_t>(middleMinus1->EndOffset())) < 0) {
             result = -1;
           } else {
-            return false;
+            break;
           }
         }