bug#48847: statprof does not print call counts

[Tommi Höynälänmaa]

Guile version: 3.0.7.6-22120-dirty

Statprof profiler does not print call counts even though you specify 
"#:count-calls? #t" in the argument list.

Steps to reproduce:

1. Copy the following program to file test.scm:

---cut here---

(use-modules (statprof))
(statprof (lambda ()
            (map 1+ (iota 1000000))
            #f)
      #:count-calls? #t)

---cut here---

2. Run command "guile -s test.scm".

Expected output:

The program should print profiling output with the call counts.

Actual output:

The profiling output is printed but the call counts are not.

     - Tommi Höynälänmaa

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