FreeBSD_HEAD_arm64 - Build #1782 - Fixed

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FreeBSD_HEAD_arm64 - Build #1782 - Fixed:

Build information: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/1782/
Full change log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/1782/changes
Full build log: https://jenkins.FreeBSD.org/job/FreeBSD_HEAD_arm64/1782/console

Change summaries:

291341 by gnn:
Summary: A simple script to print the return value of any function,
with or without wild cards.

291340 by bdrewery:
Follow-up r291338 to handle .d, .y and .l files better as well.

X-MFC-With:	r291338
MFC after:	2 weeks
Sponsored by:	EMC / Isilon Storage Division

291339 by bdrewery:
Follow-up r291330: h_testbits.h is only needed by xdr_test.

X-MFC-With:	r291330
MFC after:	1 week
Sponsored by:	EMC / Isilon Storage Division

291338 by bdrewery:
Fix the "common object" handling to not depend on ".o" if SRCS only contains
headers.

This resulted in 'don't know how to make .o.' errors after the changes in
r289286.

MFC after:	2 weeks
Sponsored by:	EMC / Isilon Storage Division

291337 by ngie:
Link fclose(3) to fdclose(3)

X-MFC with: r285140
MFC after: 3 weeks (need to evaluate whether or not r285140 can be MFCed)
Sponsored by: EMC / Isilon Storage Division