Fix chomp function

Change-Id: I27322ed6144047b1f57a4843e387221e39ace669
diff --git a/heka/files/lua/common/lma_utils.lua b/heka/files/lua/common/lma_utils.lua
index 9d039bc..80fee5a 100644
--- a/heka/files/lua/common/lma_utils.lua
+++ b/heka/files/lua/common/lma_utils.lua
@@ -239,7 +239,7 @@
 end
 
 function chomp(s)
-    return string.gsub(s, "\n$", "")
+    return string.gsub(s, "\n", "")
 end
 
 function truncate(str, max_length, delimiter)