Update ax_path_generic.m4 to latest from autoconf archive
Purely cosmetic change
Updated to serial #17.
diff --git a/Tools/config/ax_path_generic.m4 b/Tools/config/ax_path_generic.m4
index f77fc78..8796689 100644
--- a/Tools/config/ax_path_generic.m4
+++ b/Tools/config/ax_path_generic.m4
@@ -1,5 +1,5 @@
# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_path_generic.html
+# https://www.gnu.org/software/autoconf-archive/ax_path_generic.html
# ===========================================================================
#
# SYNOPSIS
@@ -14,11 +14,11 @@
# The script must support `--cflags' and `--libs' args. If MINIMUM-VERSION
# is specified, the script must also support the `--version' arg. If the
# `--with-library-[exec-]prefix' arguments to ./configure are given, it
-# must also support `--prefix' and `--exec-prefix'. Prefereable use
+# must also support `--prefix' and `--exec-prefix'. Preferably use
# CONFIG-SCRIPTS as config script, CFLAGS-ARG instead of `--cflags` and
# LIBS-ARG instead of `--libs`, if given.
#
-# The SED-EXPR-EXTRACTOR parameter representes the expression used in sed
+# The SED-EXPR-EXTRACTOR parameter represents the expression used in sed
# to extract the version number. Use it if your 'foo-config --version'
# dumps something like 'Foo library v1.0.0 (alfa)' instead of '1.0.0'.
#
@@ -69,7 +69,7 @@
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 13
+#serial 17
AU_ALIAS([AC_PATH_GENERIC], [AX_PATH_GENERIC])
AC_DEFUN([AX_PATH_GENERIC],[
