win32: code shrink

Rewrite the recent change to tab completion so it only needs
one call to sprintf.  Then replace sprintf with strcpy/stpcpy,
both there and in a couple of other places.

Saves 40 bytes.

1 files changed, 1 insertions, 1 deletions

diff --git a/shell/ash.c b/shell/ash.c
index c400612d9..f8a18cdc5 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2119,7 +2119,7 @@ stack_add_system_drive(const char *path)
         const char *sd = need_system_drive(path);
         char *p = growstackto(strlen(path) + 5 + (sd ? strlen(sd) : 0));
 
-        sprintf(p, "%s%s", sd ?: "", path);
+        strcpy(stpcpy(p, sd ?: ""), path);
         return p;
 }
 #endif