configure.ac: Fix warnings about missing AM_PROG_AR.
treee5a0e1e0bfc32ac6f4bf4b0758a0f6bc174b95b2
-rw-r--r-- 148 .gitignore
-rw-r--r-- 35147 COPYING
-rw-r--r-- 814 Makefile.am
-rwxr-xr-x 950 autogen.sh
-rw-r--r-- 1914 configure.ac
drwxr-xr-x - libjaylink