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-rw-r--r--src/cmd/ed.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/ed.c b/src/cmd/ed.c
index f44acb06..60ba83ca 100644
--- a/src/cmd/ed.c
+++ b/src/cmd/ed.c
@@ -929,7 +929,7 @@ callunix(void)
*p = 0;
pid = fork();
if(pid == 0) {
- execlp("rc", "rc", "-c", buf, 0);
+ execlp("rc", "rc", "-c", buf, (char*)0);
sysfatal("exec failed: %r");
exits("execl failed");
}