change order of cdb parameters to workaround a bug , where command (-c) is not...

change order of cdb parameters to workaround a bug , where command (-c) is not evaluated if  -i ,-y or -z  contains an invalid path.
cdb would hang then waiting for user input, which is bad for use in scripts

mysql-test/lib/My/CoreDump.pm

@@ -232,7 +232,7 @@ sub _cdb {
 
   my $cdb_cmd = "!sym prompts off; !analyze -v; .ecxr; !for_each_frame dv /t;!uniqstack -p;q";
   my $cdb_output=
-    `cdb -z $core_name -i "$image_path" -y "$symbol_path" -t 0 -lines -c "$cdb_cmd" 2>&1`;
+    `cdb -c "$cdb_cmd" -z $core_name -i "$image_path" -y "$symbol_path" -t 0 -lines 2>&1`;
   return if $? >> 8;
   return unless $cdb_output;