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patch by Shaun Jackman to combine dup/close funcs into dup2
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@ -82,7 +82,7 @@ extern int watch_main(int argc, char **argv)
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header[len] = 0;
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/* thanks to lye, who showed me how to redirect stdin/stdout */
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old_stdout = dup(1);
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old_stdout = dup(STDOUT_FILENO);
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while (1) {
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time(&t);
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@ -98,8 +98,7 @@ extern int watch_main(int argc, char **argv)
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sleep(period);
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} else if (0 == pid) {
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//child
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close(1);
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dup(old_stdout);
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dup2(old_stdout, STDOUT_FILENO);
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execvp(*watched_argv, watched_argv);
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bb_perror_msg_and_die(*watched_argv);
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} else {
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