Fix error during saving conf

There might be '|' in __val (e.g., SYNO_Password), which will cause that
all content of the conf file is cleared. Fix it by escaping '|'
manually.

Signed-off-by: Adam Tao <tcx4c70@gmail.com>

acme.sh

@@ -2266,6 +2266,9 @@ _setopt() {
     if _contains "$__val" "&"; then
       __val="$(echo "$__val" | sed 's/&/\\&/g')"
     fi
+    if _contains "$__val" "|"; then
+      __val="$(echo "$__val" | sed 's/|/\\|/g')"
+    fi
     text="$(cat "$__conf")"
     printf -- "%s\n" "$text" | sed "s|^$__opt$__sep.*$|$__opt$__sep$__val$__end|" >"$__conf"
 
@@ -2273,6 +2276,9 @@ _setopt() {
     if _contains "$__val" "&"; then
       __val="$(echo "$__val" | sed 's/&/\\&/g')"
     fi
+    if _contains "$__val" "|"; then
+      __val="$(echo "$__val" | sed 's/|/\\|/g')"
+    fi
     text="$(cat "$__conf")"
     printf -- "%s\n" "$text" | sed "s|^#$__opt$__sep.*$|$__opt$__sep$__val$__end|" >"$__conf"