[PATCH] syslog.h: optionally make prioritynames[], facilitynames[] const

[Denis Vlasenko]

Hi Mike,

Please apply attached trivial patch.

With this patch it's possible to move these arrays in rodata,
where they really belong.

Using dedicated SYSLOG_NAMES_CONST #define, it maintains 100%
compatibility with existing codebase and with glibc.

In case of busybox, 288 bytes are moved from rwdata to text:

# size *[67]/*/syslog*.o
   text    data     bss     dec     hex filename
   3169     288       0    3457     d81 busybox.t6/sysklogd/syslogd.o
   3457       0       0    3457     d81 busybox.t7/sysklogd/syslogd.o

--
vda
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