[Dovecot] Dovecot 2.1.16: Quota plugin compile fails: Solaris 10

[Stephen Usher]

Dovecot 2.1.16 fails to compile giving the following error under Solaris 10. 
Previously I had no problem compiling 2.1.12.

The start of the config.log file contains:

It was created by Dovecot configure 2.1.16, which was
generated by GNU Autoconf 2.68.  Invocation command line was

   $ ./configure


## --------- ##
## Platform. ##
## --------- ##

hostname = luna
uname -m = i86pc
uname -r = 5.10
uname -s = SunOS
uname -v = Generic_148889-01

/usr/bin/uname -p = i386
/bin/uname -X     = System = SunOS
Node = luna
Release = 5.10
KernelID = Generic_148889-01
Machine = i86pc
BusType = <unknown>
Serial = <unknown>
Users = <unknown>
OEM# = 0
Origin# = 1
NumCPU = 4

/bin/arch              = i86pc
/usr/bin/arch -k       = i86pc
/usr/convex/getsysinfo = unknown
/usr/bin/hostinfo      = unknown
/bin/machine           = unknown
/usr/bin/oslevel       = unknown
/bin/universe          = unknown

PATH: /usr/sfw/bin
PATH: /usr/local/bin
PATH: /usr/bin
PATH: /usr/sbin
PATH: /usr/ccs/bin
PATH: /opt/SUNWspro/bin
PATH: /usr/ucb


GCC version info:

Reading specs from /usr/sfw/lib/gcc/i386-pc-solaris2.10/3.4.3/specs
Configured with: /builds/sfw10-gate/usr/src/cmd/gcc/gcc-3.4.3/configure 
--prefix=/usr/sfw --with-as=/usr/sfw/bin/gas --with-gnu-as 
--with-ld=/usr/ccs/bin/ld --without-gnu-ld --enable-languages=c,c++ --enable-shared
Thread model: posix
gcc version 3.4.3 (csl-sol210-3_4-branch+sol_rpath)


Making all in quota
gmake[4]: Entering directory 
`/usr/local/src/mail/dovecot/dovecot-2.1.16/src/plugins/quota'
gcc -DHAVE_CONFIG_H -I. -I../../..  -I../../../src/lib -I../../../src/lib-master 
-I../../../src/lib-dict -I../../../src/lib-index -I../../../src/lib-mail 
-I../../../src/lib-storage -I../../../src/lib-storage/index 
-I../../../src/lib-storage/index/maildir -I../../../src/doveadm 
-I/usr/local/ssl/include -I/usr/sfw/include -I/usr/local/include  -std=gnu99 -g 
-O2 -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith 
-Wchar-subscripts -Wformat=2 -Wbad-function-cast -fno-builtin-strftime 
-I/usr/local/ssl/include  -MT quota-status.o -MD -MP -MF .deps/quota-status.Tpo 
-c -o quota-status.o quota-status.c
quota-status.c: In function `main':
quota-status.c:200: error: `optarg' undeclared (first use in this function)
quota-status.c:200: error: (Each undeclared identifier is reported only once
quota-status.c:200: error: for each function it appears in.)
gmake[4]: *** [quota-status.o] Error 1
gmake[4]: Leaving directory 
`/usr/local/src/mail/dovecot/dovecot-2.1.16/src/plugins/quota'

Steve
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