app-editors/xemacs: Use command -v

Update patch to not use type -P, due to not posix required, and skip
looking around the file system if there is a makeinfo that meets the
requirement.

Signed-off-by: Mats Lidell <matsl@gentoo.org>

app-editors/xemacs/files/xemacs-21.5.35-which.patch

@@ -1,12 +1,23 @@
 diff -r 22f2684b1b82 configure.ac
 --- a/configure.ac	Mon Sep 23 16:24:03 2024 +0100
-+++ b/configure.ac	Thu Sep 26 07:57:11 2024 +0200
-@@ -2518,7 +2518,7 @@
++++ b/configure.ac	Sat Sep 28 14:09:56 2024 +0200
+@@ -2518,16 +2518,16 @@
  dnl We need a recent version of makeinfo
  AC_MSG_CHECKING([for makeinfo >= 4.12])
  MAKEINFO=
 -for prog in `which -a makeinfo`; do
-+for prog in `type -P makeinfo`; do
++if prog=`command -v makeinfo`
++then
    mi_verstr=[`$prog --version | sed -n '1s/^.* \([0-9][0-9.]*\)$/\1/p'`]
    mi_major=`echo $mi_verstr | cut -d. -f1`
    mi_minor=`echo $mi_verstr | cut -d. -f2`
+   if test "$mi_major" -gt 4 || ( test "$mi_major" -eq 4 && test "$mi_minor" -gt 11 );
+   then
+     MAKEINFO=$prog
+-    break
+   fi
+-done
++fi
+ if test -z $MAKEINFO; then
+   AC_MSG_RESULT([no])
+   AC_MSG_WARN([Found Makeinfo $mi_verstr.  4.12 or later required.])