Fix integer type in RCLCPP_* macro printf. #492
Merged
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While building on macOS, a warning shows up like:
format specifies type 'long' but the argument has type 'int64_t' (aka 'long long')
The problem is that %ld isn't correct for int64_t on all
platforms. Switch to the PRId64 macro so the type is correct
everywhere.
Signed-off-by: Chris Lalancette clalancette@openrobotics.org