[PATCH] kconfig: plug false-positive warning in get_prompt_str() seen with gcc-4.9

[Konstantin Khlebnikov]

scripts/kconfig/menu.c: In function âget_symbol_strâ:
scripts/kconfig/menu.c:590:18: warning: âjumpâ may be used uninitialized in this function [-Wmaybe-uninitialized]
     jump->offset = strlen(r->s);
                  ^
scripts/kconfig/menu.c:551:19: note: âjumpâ was declared here
  struct jump_key *jump;
                   ^

Signed-off-by: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
---
 scripts/kconfig/menu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 3ac2c9c..5cd0f5e 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -548,7 +548,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
 {
 	int i, j;
 	struct menu *submenu[8], *menu, *location = NULL;
-	struct jump_key *jump;
+	struct jump_key *jump = NULL;
 
 	str_printf(r, _("Prompt: %s\n"), _(prop->text));
 	menu = prop->menu->parent;

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