Remove an unneeded arg

functions.cmake

@@ -67,7 +67,7 @@ endfunction()
 # the name of the array; target is the CMake target that other targets can then
 # depend on; and start_line is the line in infile that will be the first line
 # in the array, which is useful for excluding header comments.
-function(create_data_target infile outfile array_name len_name target start_line cstr)
+function(create_data_target infile outfile array_name len_name target start_line)
 
 	file_size(file_len "${infile}")