[bind10-dev] "sunstudio" builder uses g++

[JINMEI Tatuya / 神明達哉]

See:
http://bind10.isc.org/~tester/builder/BIND10/20100714153208-Solaris10-sparc-Sunstudio/logs/build.out

e.g.
libtool: compile:  g++ -DHAVE_CONFIG_H -I. -I../../.. -I../../../src/lib -I../../../src/lib -D_XPG4_2 -D__EXTENSIONS__ -I/udir/jreed/pkg/include -I../../../ext/asio -DASIO_DISABLE_DEV_POLL=1 -Wall -Wextra -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare -Werror -fPIC -g -MT base32.lo -MD -MP -MF .deps/base32.Tpo -c base32.cc  -fPIC -DPIC -o .libs/base32.o

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JINMEI, Tatuya