[PATCH][BZ 13690] Do not violate mutex destruction requirements.

[David Miller]

From: Torvald Riegel <triegel@redhat.com>
Date: Tue, 14 Jul 2015 22:21:13 +0200

> Dave, could you test on sparc, please?

This breaks the sparc build:

gconv_db.c: In function ‘__gconv_find_transform’:
gconv_db.c:734:7: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c:741:7: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c:760:7: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c:768:3: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c: In function ‘__gconv_close_transform’:
gconv_db.c:802:3: error: unused variable ‘__private’ [-Werror=unused-variable]
cc1: all warnings being treated as errors
make[2]: *** [/home/davem/src/GIT/GLIBC/build-sparcv9/iconv/gconv_db.o] Error 1
make[2]: *** Waiting for unfinished jobs....
gconv_db.c: In function ‘__gconv_find_transform’:
gconv_db.c:734:7: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c:741:7: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c:760:7: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c:768:3: error: unused variable ‘__private’ [-Werror=unused-variable]
gconv_db.c: In function ‘__gconv_close_transform’:
gconv_db.c:802:3: error: unused variable ‘__private’ [-Werror=unused-variable]
cc1: all warnings being treated as errors