Support the silly OSes that don't have ar and strip.

Since AC_PATH_TOOL is equiv to AC_CHECK_TOOL when path isn't specified, and
AC_PATH_TOOLS doesn't exist, we'll just switch to AC_CHECK_TOOLS.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@259352 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configure.ac

@@ -132,8 +132,8 @@ AC_PROG_LN_S
 AC_PROG_RANLIB
 AST_CHECK_GNU_MAKE
 
-AC_PATH_TOOL([STRIP], [strip], :)
-AC_PATH_TOOL([AR], [ar], :)
+AC_CHECK_TOOLS([STRIP], [strip gstrip], :)
+AC_CHECK_TOOLS([AR], [ar gar], :)
 
 GNU_LD=0
 if test "x$with_gnu_ld" = "xyes" ; then