hush: fix build breakage (variable declared in for())

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

diff --git a/shell/hush.c b/shell/hush.c
index 087636b6d5deeeeb33ff8d31722f71d97282d5c2..2bca9aa871f5b3106c14b6c49ccd338b33432d0a 100644 (file)
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7013,27 +7013,30 @@ static int run_list(struct pipe *pi)
 
 #if ENABLE_HUSH_LOOPS
        /* Check syntax for "for" */
-       for (struct pipe *cpipe = pi; cpipe; cpipe = cpipe->next) {
-               if (cpipe->res_word != RES_FOR && cpipe->res_word != RES_IN)
-                       continue;
-               /* current word is FOR or IN (BOLD in comments below) */
-               if (cpipe->next == NULL) {
-                       syntax_error("malformed for");
-                       debug_leave();
-                       debug_printf_exec("run_list lvl %d return 1\n", G.run_list_level);
-                       return 1;
-               }
-               /* "FOR v; do ..." and "for v IN a b; do..." are ok */
-               if (cpipe->next->res_word == RES_DO)
-                       continue;
-               /* next word is not "do". It must be "in" then ("FOR v in ...") */
-               if (cpipe->res_word == RES_IN /* "for v IN a b; not_do..."? */
-                || cpipe->next->res_word != RES_IN /* FOR v not_do_and_not_in..."? */
-               ) {
-                       syntax_error("malformed for");
-                       debug_leave();
-                       debug_printf_exec("run_list lvl %d return 1\n", G.run_list_level);
-                       return 1;
+       {
+               struct pipe *cpipe;
+               for (cpipe = pi; cpipe; cpipe = cpipe->next) {
+                       if (cpipe->res_word != RES_FOR && cpipe->res_word != RES_IN)
+                               continue;
+                       /* current word is FOR or IN (BOLD in comments below) */
+                       if (cpipe->next == NULL) {
+                               syntax_error("malformed for");
+                               debug_leave();
+                               debug_printf_exec("run_list lvl %d return 1\n", G.run_list_level);
+                               return 1;
+                       }
+                       /* "FOR v; do ..." and "for v IN a b; do..." are ok */
+                       if (cpipe->next->res_word == RES_DO)
+                               continue;
+                       /* next word is not "do". It must be "in" then ("FOR v in ...") */
+                       if (cpipe->res_word == RES_IN /* "for v IN a b; not_do..."? */
+                        || cpipe->next->res_word != RES_IN /* FOR v not_do_and_not_in..."? */
+                       ) {
+                               syntax_error("malformed for");
+                               debug_leave();
+                               debug_printf_exec("run_list lvl %d return 1\n", G.run_list_level);
+                               return 1;
+                       }
                }
        }
 #endif