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-rw-r--r--src/cmd/tbl/ts.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd/tbl/ts.c b/src/cmd/tbl/ts.c
index 43cc84ec..a3c5968e 100644
--- a/src/cmd/tbl/ts.c
+++ b/src/cmd/tbl/ts.c
@@ -64,7 +64,7 @@ max(int a, int b)
void
tcopy (char *s, char *t)
{
- while (*s++ = *t++)
+ while ((*s++ = *t++))
;
}