fixup! Added check for files bigger than 4GB (#186)

* Loop will break if filename contains newline(which is possible), use null-separated list instead.

Refer-to: For loops over find output are fragile. Use find -exec or a while read loop. - SC2044 · koalaman/shellcheck Wiki <https://github.com/koalaman/shellcheck/wiki/SC2044>
Signed-off-by: 林博仁(Buo-ren Lin) <[email protected]>

src/woeusb

@@ -1104,25 +1104,19 @@ workaround_buggy_motherboards_that_ignore_disks_without_boot_flag_toggled(){
 check_fat32_filesize_limitation(){
 	util_check_function_parameters_quantity 1 $#
 	local -r source_fs_mountpoint="${1}"
-	local IFS_backup=$IFS
 
-	IFS=$'\n'
-	for file in ` find "${source_fs_mountpoint}" -type f `; do
-		if (( $(stat -c "%s" $file) > 4294967295 )); then # Max fat32 file size is 2^32 - 1 bytes
+	while IFS= read -r -d '' file; do
+		if (( "$(stat -c '%s' "${file}")" > 4294967295 )); then # Max fat32 file size is 2^32 - 1 bytes
 			printf_with_color\
 				red\
 				'Error: File "%s" in source image has exceed the FAT32 Filesystem 4GiB Single File Size Limitation and cannot be installed.  You must specify a different --target-filesystem.\n'\
 				"${file}"
 			prntf_with_color\
 				red\
 				'Refer: https://github.com/slacka/WoeUSB/wiki/Limitations#fat32-filesystem-4gib-single-file-size-limitation for more info.\n'
-			IFS=$IFS_backup
-			unset IFS_backup
 			return 1
 		fi
-	done
-	IFS=$IFS_backup
-	unset IFS_backup
+	done < <(find "${source_fs_mountpoint}" -type f)
 	return 0
 }; declare -fr check_fat32_filesize_limitation