Fix minor bug in dap-support.exp

Commit faee137249c8 refactored dap-support.exp, but accidentally left
a reference to a variable that was renamed.  I noticed this when an
earlier version of this series provoked one of the errors in this
code.

diff --git a/gdb/testsuite/lib/dap-support.exp b/gdb/testsuite/lib/dap-support.exp
index 2d962e6dd093c51b7d0b6a6b2efb6838bbd3f988..5c078ca011d08dda06cc93f75e41451b204ac07d 100644 (file)
--- a/gdb/testsuite/lib/dap-support.exp
+++ b/gdb/testsuite/lib/dap-support.exp
@@ -231,9 +231,9 @@ proc dap_read_response {cmd num} {
        set d [_dap_read_json]
        if {[dict get $d type] == "response"} {
            if {[dict get $d request_seq] != $num} {
-               error "saw wrong request_seq in $obj"
+               error "saw wrong request_seq in $d"
            } elseif {[dict get $d command] != $cmd} {
-               error "saw wrong command in $obj"
+               error "saw wrong command in $d"
            } else {
                return [list $d $result]
            }