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ed: dont pass string constants to mktemp()

--- a/sys/src/cmd/ed.c

+++ b/sys/src/cmd/ed.c

@@ -157,7 +157,7 @@

 		globp = L"r";

 	}

 	zero = malloc((nlall+5)*sizeof(int*));

-	tfname = mktemp("/tmp/eXXXXX");

+	tfname = mktemp(strdup("/tmp/eXXXXX"));

 	init();

 	setjmp(savej);

 	commands();

-- 

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