[RTEMS Project] #4783: Fix issues when compiling dtc with Cygwin

[RTEMS trac]

#4783: Fix issues when compiling dtc with Cygwin
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  Reporter:  Ryan Long  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  normal     |  Milestone:  Indefinite
 Component:  tool/rsb   |    Version:  6
  Severity:  normal     |   Keywords:
Blocked By:             |   Blocking:
------------------------+------------------------
 Currently, DTC is failing to build due to this check in checks.c. For some
 reason the argument into isxdigit is coming in as a char. I've brought it
 up to the maintainer, but he sees no reason to change it. Therefore, a
 patch is needed to get it to build.

 1183   if (unitname[0] == '0' && isxdigit(unitname[1]))
 1184     FAIL(c, dti, node, "unit name should not have leading 0s");
 1185 }

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Ticket URL: <http://devel.rtems.org/ticket/4783>
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