Merge "build/file_utils: Newline for mapping files"
diff --git a/build/file_utils.py b/build/file_utils.py
index 1559a9b..9f95f52 100644
--- a/build/file_utils.py
+++ b/build/file_utils.py
@@ -43,6 +43,9 @@
     with open(input_file, 'r') as in_file:
         tmp_output.writelines(line for line in in_file.readlines()
                               if line not in patterns)
+        # Append empty line because a completely empty file
+        # will trip up secilc later on:
+        tmp_output.write("\n")
         tmp_output.flush()
 
     # Replaces the input_file.