Add missing newlines in pdfium_test help text.

Change-Id: I05e663b85dcfc6e03a4d77fa7f5071143d7c86b2
Reviewed-on: https://pdfium-review.googlesource.com/33432
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc
index c7c1a3a..e2e386f 100644
--- a/samples/pdfium_test.cc
+++ b/samples/pdfium_test.cc
@@ -806,9 +806,9 @@
     "  --save-images       - write embedded images "
     "<pdf-name>.<page-number>.<object-number>.png\n"
 #ifdef PDF_ENABLE_V8
-    "  --disable-javascript- do not execute JS in PDF files"
+    "  --disable-javascript- do not execute JS in PDF files\n"
 #ifdef PDF_ENABLE_XFA
-    "  --disable-xfa       - do not process XFA forms"
+    "  --disable-xfa       - do not process XFA forms\n"
 #endif  // PDF_ENABLE_XFA
 #endif  // PDF_ENABLE_V8
 #ifdef ENABLE_CALLGRIND