[PR PATCH] Replace non-standard English "unexistent" with "nonexistent" in several error messages

[OpenSauce04 <OpenSauce04@users.noreply.github.com>]

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There is a new pull request by OpenSauce04 against master on the void-packages repository

https://github.com/OpenSauce04/void-packages replace-unexistent
https://github.com/void-linux/void-packages/pull/43478

Replace non-standard English "unexistent" with "nonexistent" in several error messages
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#### Testing the changes
- I tested the changes in this PR: **NO**

A patch file from https://github.com/void-linux/void-packages/pull/43478.patch is attached

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From e5bbb958cc1ab8a081a1aad964517b0f0bcb179d Mon Sep 17 00:00:00 2001
From: OpenSauce04 <opensauce04@gmail.com>
Date: Sun, 16 Apr 2023 14:36:29 +0100
Subject: [PATCH] Replace non-standard English "unexistent" with "nonexistent"

---
 common/environment/setup/replace-interpreter.sh | 2 +-
 common/hooks/post-pkg/00-register-pkg.sh        | 2 +-
 common/xbps-src/shutils/common.sh               | 2 +-
 common/xbps-src/shutils/pkgtarget.sh            | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/common/environment/setup/replace-interpreter.sh b/common/environment/setup/replace-interpreter.sh
index 1660ac6fa1b7..c520c73030b1 100644
--- a/common/environment/setup/replace-interpreter.sh
+++ b/common/environment/setup/replace-interpreter.sh
@@ -36,6 +36,6 @@ replace_interpreter() {
 		sed -i -e "1s|^#![[:space:]]*${orsb}|#!${trpath}|" $file
 		msg_normal "Transformed $lang script: ${file##$wrksrc}.\n"
 	else
-		msg_warn "Ignoring unexistent $lang script: ${file##$wrksrc}.\n"
+		msg_warn "Ignoring nonexistent $lang script: ${file##$wrksrc}.\n"
 	fi
 }
diff --git a/common/hooks/post-pkg/00-register-pkg.sh b/common/hooks/post-pkg/00-register-pkg.sh
index 67b7209b2728..b5392d8182f5 100644
--- a/common/hooks/post-pkg/00-register-pkg.sh
+++ b/common/hooks/post-pkg/00-register-pkg.sh
@@ -4,7 +4,7 @@ registerpkg() {
 	local repo="$1" pkg="$2" arch="$3"
 
 	if [ ! -f ${repo}/${pkg} ]; then
-		msg_error "Unexistent binary package ${repo}/${pkg}!\n"
+		msg_error "Nonexistent binary package ${repo}/${pkg}!\n"
 	fi
 
 	printf "%s:%s:%s\n" "${arch}" "${repo}" "${pkg}" >> "${XBPS_STATEDIR}/.${sourcepkg}_register_pkg"
diff --git a/common/xbps-src/shutils/common.sh b/common/xbps-src/shutils/common.sh
index fdc0c5eedd92..2218d34ce30b 100644
--- a/common/xbps-src/shutils/common.sh
+++ b/common/xbps-src/shutils/common.sh
@@ -415,7 +415,7 @@ setup_pkg() {
     done
 
     if [ ! -f ${XBPS_SRCPKGDIR}/${basepkg}/template ]; then
-        msg_error "xbps-src: unexistent file: ${XBPS_SRCPKGDIR}/${basepkg}/template\n"
+        msg_error "xbps-src: nonexistent file: ${XBPS_SRCPKGDIR}/${basepkg}/template\n"
     fi
     if [ -n "$cross" ]; then
         export CROSS_BUILD="$cross"
diff --git a/common/xbps-src/shutils/pkgtarget.sh b/common/xbps-src/shutils/pkgtarget.sh
index ba8c63bca8aa..54b7c3429c2f 100644
--- a/common/xbps-src/shutils/pkgtarget.sh
+++ b/common/xbps-src/shutils/pkgtarget.sh
@@ -105,7 +105,7 @@ remove_pkg_statedir() {
 remove_pkg() {
     local cross="$1" _destdir f
 
-    [ -z $pkgname ] && msg_error "unexistent package, aborting.\n"
+    [ -z $pkgname ] && msg_error "nonexistent package, aborting.\n"
 
     if [ -n "$cross" ]; then
         _destdir="$XBPS_DESTDIR/$XBPS_CROSS_TRIPLET"