ash: fix "char == CTLfoo" comparison signedness bug

It usually does not bite since bbox forces -funsigned-char build.
But for some reason void linux people disabled that.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 699b6c0ee..881af034d 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -7318,13 +7318,13 @@ hasmeta(const char *p)
                 p = strpbrk(p, chars);
                 if (!p)
                         break;
-                switch ((unsigned char) *p) {
+                switch ((unsigned char)*p) {
                 case CTLQUOTEMARK:
                         for (;;) {
                                 p++;
-                                if (*p == CTLQUOTEMARK)
+                                if ((unsigned char)*p == CTLQUOTEMARK)
                                         break;
-                                if (*p == CTLESC)
+                                if ((unsigned char)*p == CTLESC)
                                         p++;
                                 if (*p == '\0') /* huh? */
                                         return 0;