Fixed variable to use file path rather than program path

scalene/scalene_json.py

@@ -400,7 +400,7 @@ def output_profiles(
                 )
 
             # Print out the the profile for the source, line by line.
-            full_fname = program
+            full_fname = fname
             try:
                 with open(full_fname, "r", encoding="utf-8") as source_file:
                     code_lines = source_file.readlines()