followup for Bug 392193 - first run migration / import from ie, opera and safari browser can be slow, migration should use "run in batch". Fix Opera migrator regression. r=sdwilsh

browser/components/migration/src/nsOperaProfileMigrator.cpp

@@ -1216,7 +1216,11 @@ nsOperaProfileMigrator::CopySmartKeywords(nsINavBookmarksService* aBMS,
     section.AppendInt(sectionIndex++);
 
     rv = parser.GetString(section.get(), "Name", name);
-    if (NS_FAILED(rv) || name.IsEmpty())
+    if (NS_FAILED(rv)) {
+      // No more smart keywords found, stop parsing the file.
+      break;
+    }
+    if (name.IsEmpty())
       continue;
 
     rv = parser.GetString(section.get(), "URL", url);