Limit bitrate range to 31 bits integer

A proper solution could be to use "long long" instead (guaranteed to be
at least 64 bits), but it adds its own problems (e.g. "%lld" is not
supported as a printf format on all platforms).

In practice, we don't need such high values, so keep it simple.

Fixes #995 <#995>

app/src/cli.c

@@ -224,7 +224,9 @@ parse_integer_arg(const char *s, long *out, bool accept_suffix, long min,
 static bool
 parse_bit_rate(const char *s, uint32_t *bit_rate) {
     long value;
-    bool ok = parse_integer_arg(s, &value, true, 0, 0xFFFFFFFF, "bit-rate");
+    // long may be 32 bits (it is the case on mingw), so do not use more than
+    // 31 bits (long is signed)
+    bool ok = parse_integer_arg(s, &value, true, 0, 0x7FFFFFFF, "bit-rate");
     if (!ok) {
         return false;
     }