DragonFlyBSD/src 05e9456lib/libc/x86_64/string strcmp.S, lib/libfetch common.c

Fix few typos.

While there, make few whitespace adjustments.
DeltaFile
+5-5lib/libfetch/common.c
+1-1lib/libc/x86_64/string/strcmp.S
+1-1lib/libthread_xu/thread/thr_spinlock.c
+1-1sbin/ifconfig/ifieee80211.c
+8-84 files

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