PATCH: PR binutils/5713: strings: use '-0' as option will meet infinite loop

[H.J. Lu]

string_min == 0 will make strings go into an infinite loop.  I am
checking it in as an obvious fix.


H.J.
---
2008-02-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/5713
	* strings.c (main): Set string_min to 4 if it is <= 0.

--- binutils/strings.c.zero	2008-01-25 09:01:03.000000000 -0800
+++ binutils/strings.c	2008-02-08 12:49:22.000000000 -0800
@@ -270,7 +270,7 @@ main (int argc, char **argv)
 	}
     }
 
-  if (string_min < 0)
+  if (string_min <= 0)
     string_min = 4;
 
   switch (encoding)