applyinf fix for:

    0000155: variable expansion with braces in backticks in msh



git-svn-id: svn://busybox.net/trunk/busybox@10876 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 1 insertions, 1 deletions

diff --git a/shell/msh.c b/shell/msh.c
index 2fb0df739..14e875854 100644
--- a/shell/msh.c
+++ b/shell/msh.c
@@ -4290,7 +4290,7 @@ int quoted;
                         }
 
                         var_name[var_index++] = *src++;
-                        while (isalnum(*src))
+                        while (isalnum(*src) || *src=='_')
                                 var_name[var_index++] = *src++;
                         var_name[var_index] = 0;