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>

1 files changed, 3 insertions, 2 deletions

diff --git a/shell/hush.c b/shell/hush.c
index b5cf86132..4c45e6559 100644
--- 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;