Unfold isfrog[256] table for older/proprietary C compilers.

Reference: /n/sources/patch/maybe/u9fs-unfoldfrog
Date: Thu Sep 29 15:33:52 CES 2011
Signed-off-by: yarikos@gmail.com

--- /sys/src/cmd/unix/u9fs/u9fs.c	Thu Sep 29 15:31:00 2011
+++ /sys/src/cmd/unix/u9fs/u9fs.c	Thu Sep 29 15:30:54 2011
@@ -167,8 +167,18 @@
 	/*BKS*/	1, 1, 1, 1, 1, 1, 1, 1,
 	/*DLE*/	1, 1, 1, 1, 1, 1, 1, 1,
 	/*CAN*/	1, 1, 1, 1, 1, 1, 1, 1,
-	['/']	1,
-	[0x7f]	1,
+	/*' '*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'('*/	0, 0, 0, 0, 0, 0, 0, 1,	/*'/'*/
+	/*'0'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'8'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'@'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'H'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'P'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'X'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'`'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'h'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'p'*/	0, 0, 0, 0, 0, 0, 0, 0,
+	/*'x'*/	0, 0, 0, 0, 0, 0, 0, 1,	/*DEL*/
 };
 
 void