[nongnu] elpa/pdf-tools 386dca5b2d: Make sure autoconf is install on macOS so autoreconf may run

[ELPA Syncer]

branch: elpa/pdf-tools
commit 386dca5b2d078ba691eefe230478a440ee1f7b16
Author: Jimmy Yuen Ho Wong <wyuenho@users.noreply.github.com>
Commit: Vedang Manerikar <ved.manerikar@gmail.com>

    Make sure autoconf is install on macOS so autoreconf may run
---
 server/autobuild | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/server/autobuild b/server/autobuild
index 19dff59e12..1dcdff07e7 100755
--- a/server/autobuild
+++ b/server/autobuild
@@ -349,7 +349,7 @@ os_macos() {
     elif which brew >/dev/null 2>&1; then
         PKGCMD=brew
         PKGARGS=install
-        PACKAGES="pkg-config poppler automake"
+        PACKAGES="pkg-config poppler autoconf automake"
         PKG_INSTALL_AS_ROOT=
         # brew installs libffi as keg-only, meaning we need to set
         # PKG_CONFIG_PATH manually so configure can find it
@@ -357,7 +357,7 @@ os_macos() {
     elif which port >/dev/null 2>&1; then
         PKGCMD=port
         PKGARGS=install
-        PACKAGES="pkgconfig poppler automake libpng"
+        PACKAGES="pkgconfig poppler autoconf automake libpng"
     else
         return 1
     fi