Bug 45415

On a very recent cvsup, ftp/kbear fails to build, and fails with:

	[...]
	/bin/sh ../libtool --silent --mode=compile --tag=CXX c++ -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/local/include -I/usr/X11R6/include   -pthread -DQT_THREAD_SUPPORT  -I/usr/local/include -I/usr/local/include  -I/usr/X11R6/include -D_GETOPT_H -D_THREAD_SAFE  -Wnon-virtual-dtor -Wno-long-long -Wundef -Wall -pedantic -W -Wpointer-arith -Wmissing-prototypes -Wwrite-strings -O2 -O -pipe -fno-exceptions -fno-check-new  -c -o kbear.lo `test -f kbear.cpp || echo './'`kbear.cpp
	In file included from /usr/include/string.h:50,
					 from /usr/X11R6/include/qcstring.h:46,
					 from /usr/X11R6/include/qstring.h:43,
					 from /usr/X11R6/include/qwindowdefs.h:44,
					 from /usr/X11R6/include/qobject.h:43,
					 from /usr/X11R6/include/qwhatsthis.h:40,
					 from kbear.cpp:21:
	/usr/include/sys/cdefs.h:273: warning: `_POSIX_C_SOURCE' is not defined
	/usr/include/sys/cdefs.h:279: warning: `_POSIX_C_SOURCE' is not defined
	kbear.cpp: In method `KBear::KBear()':
	kbear.cpp:102: `setStandardToolBarMenuEnabled' undeclared (first use this function)
	kbear.cpp:102: (Each undeclared identifier is reported only once
	kbear.cpp:102: for each function it appears in.)
	gmake[3]: *** [kbear.lo] Error 1
	gmake[3]: Leaving directory `/usr/ports/ftp/kbear/work/kbear-2.0/kbear'
	gmake[2]: *** [all-recursive] Error 1
	gmake[2]: Leaving directory `/usr/ports/ftp/kbear/work/kbear-2.0/kbear'
	gmake[1]: *** [all-recursive] Error 1
	gmake[1]: Leaving directory `/usr/ports/ftp/kbear/work/kbear-2.0'
	gmake: *** [all] Error 2
	*** Error code 2
	Stop in /usr/ports/ftp/kbear.

How-To-Repeat: 	# cd /usr/ports/ftp/kbear
	# make