Fix build error when building a shared libunistring on Android. * tests/uninorm/test-nfc.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference. * tests/uninorm/test-nfd.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference. * tests/uninorm/test-nfkc.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference. * tests/uninorm/test-nfkd.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference.

Files:
tests/test-dprintf-posix.sh
tests/test-dprintf-posix.c
tests/test-printf-posix.output
tests/test-dprintf-posix2.sh
tests/test-dprintf-posix2.c
tests/infinity.h
tests/signature.h
tests/macros.h

Depends-on:
stdint
get-rusage-as

configure.ac:
AC_CHECK_FUNCS_ONCE([getrlimit setrlimit])

Makefile.am:
TESTS += test-dprintf-posix.sh test-dprintf-posix2.sh
check_PROGRAMS += test-dprintf-posix test-dprintf-posix2