Resolve conflicts for functions introduced in Android API level 19. * lib/inttypes.in.h (imaxabs): Consider REPLACE_IMAXABS. Disable _GL_CXXALIASWARN invocation on non-glibc systems. (imaxdiv): Consider REPLACE_IMAXDIV. Disable _GL_CXXALIASWARN invocation on non-glibc systems. * m4/inttypes.m4 (gl_INTTYPES_H_DEFAULTS): Initialize HAVE_IMAXABS, HAVE_IMAXDIV, REPLACE_IMAXABS, REPLACE_IMAXDIV. * modules/inttypes-incomplete (Makefile.am): Substitute REPLACE_IMAXABS, REPLACE_IMAXDIV. * m4/imaxabs.m4 (gl_FUNC_IMAXABS): Conditionally set HAVE_IMAXABS, REPLACE_IMAXABS. * modules/imaxabs (configure.ac): Consider HAVE_IMAXABS, REPLACE_IMAXABS. * m4/imaxdiv.m4 (gl_FUNC_IMAXDIV): Conditionally set HAVE_IMAXDIV, REPLACE_IMAXDIV. * modules/imaxdiv (configure.ac): Consider HAVE_IMAXDIV, REPLACE_IMAXDIV.