hush: push down expansion var in handle_dollar()

Declare the variable in the scope it is used rather than the entire
function scope so it's obvious it is only used there.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/shell/hush.c b/shell/hush.c
index b5cf861..4c45e65 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -5240,7 +5240,6 @@ static int handle_dollar(o_string *as_string,
                o_string *dest,
                struct in_str *input)
 {
-       int expansion;
        int ch = i_peek(input);  /* first character after the $ */
        unsigned char quote_mask = dest->o_escape ? 0x80 : 0;
 
@@ -5279,10 +5278,12 @@ static int handle_dollar(o_string *as_string,
                goto make_one_char_var;
        case '{': {
                bool first_char, all_digits;
+               int expansion;
 
-               o_addchr(dest, SPECIAL_VAR_SYMBOL);
                ch = i_getch(input);
                nommu_addchr(as_string, ch);
+               o_addchr(dest, SPECIAL_VAR_SYMBOL);
+
                /* TODO: maybe someone will try to escape the '}' */
                expansion = 0;
                first_char = true;