Fix TestHelp on linux after version number syntax change

llvm-svn: 286581
diff --git a/lldb/packages/Python/lldbsuite/test/help/TestHelp.py b/lldb/packages/Python/lldbsuite/test/help/TestHelp.py
index 9bcac6b..2d91220 100644
--- a/lldb/packages/Python/lldbsuite/test/help/TestHelp.py
+++ b/lldb/packages/Python/lldbsuite/test/help/TestHelp.py
@@ -94,7 +94,7 @@
         if sys.platform.startswith("darwin"):
             search_regexp = ['lldb-' + (version_str if match else '[0-9]+')]
         else:
-            search_regexp = ['lldb version (\d|\.)+.*$']
+            search_regexp = ['lldb version (\d|\.)+.*\n']
 
         self.expect("version",
                     patterns=search_regexp)