Description of problem:
When a numeric autoopts option with specified minimum/maximum is used with a wrong value, the optionShowRange function crashes.

Version-Release number of selected component (if applicable):
autogen-libopts-5.12-5.fc20.x86_64

How reproducible:
always

Steps to Reproduce:
1. install ntp
2. run ntp-keygen -m 1

Actual results:
crash

Expected results:
ntp-keygen error:  modulus option value 1 is out of range.
It must be in the range:
        256 to 2048

Additional info:
It seems to be fixed in newer autogen releases. The relevant patch is:

--- autoopts/usage-txt.h.optsrange     2011-05-16 06:14:36.000000000 +0200
+++ autoopts/usage-txt.h       2013-07-12 18:15:36.122764517 +0200
@@ -331,7 +331,7 @@ static char const usage_txt[4435] =
     "%sIt must lie in one of the ranges:\n\0"
     "%sIt must be in the range:\n\0"
     ", or\n\0"
-    "%s error:  %s option value ``%s'' is out of range.\n\0"
+    "%s error:  %s option value %ld is out of range.\n\0"
     "%s%ld exactly\0"
     "%sis scalable with a suffix: k/K/m/M/g/G/t/T\n\0"
     "%sless than or equal to %ld\0"