[PATCH] Include stdlib.h in sample program

[Paul Waring]

I tried building the sample program supplied in the ncurses 
documentation and got the following warnings:

$ gcc intro.c -lncurses
intro.c: In function ‘finish’:
intro.c:53:3: warning: incompatible implicit declaration of built-in 
function ‘exit’ [enabled by default]

[gcc version 4.6.1 (Ubuntu/Linaro 4.6.1-9ubuntu3)]

This warning can be fixed by including stdlib.h, which declares the 
exit() function. I've attached a short patch which updates the 
documentation.

Thanks,

Paul

--
Paul Waring
http://www.pwaring.com

ncurses-intro.doc.diff
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