ash: fix here strings causing segfault in function invocationbusybox

The size of the NFROMSTR struct wasn't initialised in the nodesize
array, so we got:

   $ ./busybox sh
   $ f() { cat <<< hello; }
   $ f
   Segmentation fault         (core dumped) ./busybox sh

Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 62f185354..fb887f31b 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -9300,6 +9300,7 @@ static const uint8_t nodesize[N_NUMBER] ALIGN1 = {
 #endif
         [NCLOBBER ] = SHELL_ALIGN(sizeof(struct nfile)),
         [NFROM    ] = SHELL_ALIGN(sizeof(struct nfile)),
+        [NFROMSTR ] = SHELL_ALIGN(sizeof(struct nfile)),
         [NFROMTO  ] = SHELL_ALIGN(sizeof(struct nfile)),
         [NAPPEND  ] = SHELL_ALIGN(sizeof(struct nfile)),
         [NTOFD    ] = SHELL_ALIGN(sizeof(struct ndup)),