ash: fix here strings causing segfault in subshells

A here string in a subshell or function invocation caused a SEGV.
This was due to an upstream bug:  the size of the NFROMSTR struct
wasn't initialised in the nodesize array.

(GitHub issue #567)

1 files changed, 3 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 05a43ccad..7647a42cf 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -10303,6 +10303,9 @@ static const uint8_t nodesize[N_NUMBER] ALIGN1 = {
 #endif
         [NCLOBBER ] = SHELL_ALIGN(sizeof(struct nfile)),
         [NFROM    ] = SHELL_ALIGN(sizeof(struct nfile)),
+#if ENABLE_PLATFORM_MINGW32
+        [NFROMSTR ] = SHELL_ALIGN(sizeof(struct nfile)),
+#endif
         [NFROMTO  ] = SHELL_ALIGN(sizeof(struct nfile)),
         [NAPPEND  ] = SHELL_ALIGN(sizeof(struct nfile)),
         [NTOFD    ] = SHELL_ALIGN(sizeof(struct ndup)),