diffutils: fix path to 'pr'

packages/diffutils/build.sh

@@ -1,6 +1,7 @@
 TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/diffutils/
 TERMUX_PKG_DESCRIPTION="Programs (cmd, diff, diff3 and sdiff) related to finding differences between files"
 TERMUX_PKG_VERSION=3.6
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://mirrors.kernel.org/gnu/diffutils/diffutils-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_SHA256=d621e8bdd4b573918c8145f7ae61817d1be9deb4c8d2328a65cea8e11d783bd6
-
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="ac_cv_path_PR_PROGRAM=${TERMUX_PREFIX}/bin/pr"