cddl/lib/libzfs build warning fixes

[aprieger_llnw.com]

Summary

cddl/lib/libzfs build warning fixes

[aprieger_llnw.com]

Changelog:
Pre-fix warnings are at: https://gist.github.com/aprieger-llnw/af6068106b41143d8f67525a70bbe915

1. cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
   • Warnings:
     • warning: format specifies type 'unsigned long long' but the argument has type 'uint64_t' (aka 'unsigned long') [-Wformat]
   • Fixes:
     • changed the print format modifier to "%"PRIu64 on lines 2401, 2967, 3024
2. cddl/contrib/opensolaris/lib/libzfs/common/libzfs_diff.c
   • Warnings:
     • warning: format specifies type 'long long' but the argument has type 'uint64_t' (aka 'unsigned long') [-Wformat]
   • Fixes:
     • changed the print format modifier to "%"PRIu64 on lines 123, 417
3. cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
   • Warnings:
     • warning: format specifies type 'unsigned long long' but the argument has type 'uint64_t' (aka 'unsigned long') [-Wformat]
     • warning: format specifies type 'long long' but the argument has type 'long' [-Wformat]
     • warning: format specifies type 'long long' but the argument has type 'int64_t' (aka 'long') [-Wformat]
   • Fixes:
     • changed the print format modifier to "%"PRIu64 on lines 267, 366, 2524, 2559, 3214, 3811, 3821, 3843
     • changed the print format modifier to "%ld" on lines 1462, 1523
     • changed the print format modifier to "%"PRId64 on lines 1469, 1527
4. cddl/contrib/opensolaris/lib/libzfs/common/libzfs_util.c
   • Warnings:
     • warning: format specifies type 'unsigned long long' but the argument has type 'uint64_t' (aka 'unsigned long') [-Wformat]
     • warning: incompatible pointer to integer conversion assigning to 'uint64_t' (aka 'unsigned long') from 'void *' [-Wint-conversion]
   • Fixes:
     • changed the print format modifier to "%"PRIu64 on lines 590, 596
     • added the explicit modifier to NULL on lines 820, 821, 822

[kbowling]

This will need to be a github pull request against https://github.com/illumos/illumos-gate

[kbowling]

Sorry wrong repo in last comment, here's the one https://github.com/openzfs/openzfs

[aprieger_llnw.com]

Will submit changes directly to the OpenZFS Github