eliminated sentinel warning
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								util.c
								
								
								
								
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					@ -56,7 +56,7 @@ spawn(Arg *arg)
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			if(dpy)
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								if(dpy)
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				close(ConnectionNumber(dpy));
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									close(ConnectionNumber(dpy));
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			setsid();
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								setsid();
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			execl(shell, shell, "-c", arg->cmd, NULL);
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								execl(shell, shell, "-c", arg->cmd, (char *)NULL);
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			fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
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								fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
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			perror(" failed");
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								perror(" failed");
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		}
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							}
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