Correcty set the table size and bits for the minimum size.

src/ph.c

@@ -42,7 +42,7 @@
  * sets, if the tables are about as small as the set. Tests have never
  * shown hash generation failure when the tables have this minimum size.
  */
-#define MINSZ (1 << 8)
+#define MINBITS (8)
 
 struct ph {
 	unsigned	magic;
@@ -123,9 +123,9 @@ PH_Generate(char * const * const strings, unsigned n)
 	bits = lg(n);
 	if (n != (unsigned)(1 << bits))
 		bits++;
+	if (bits < MINBITS)
+		bits = MINBITS;
 	sz = 1 << bits;
-	if (sz < MINSZ)
-		sz = MINSZ;
 	mask = sz - 1;
 
 	errno = 0;