Nindent: indent script from the NASM project

Add an indentation script from the NASM project.  This is expected to
be the Syslinux coding style for the future.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/devel/Nindent b/devel/Nindent
new file mode 100755 (executable)
index 0000000..cf8ecfd
--- /dev/null
+++ b/devel/Nindent
@@ -0,0 +1,18 @@
+#!/bin/sh
+PARAM="-npro -kr -i4 -ts8 -sob -l80 -ss -ncs -cp1"
+RES=`indent --version`
+V1=`echo $RES | cut -d' ' -f3 | cut -d'.' -f1`
+V2=`echo $RES | cut -d' ' -f3 | cut -d'.' -f2`
+V3=`echo $RES | cut -d' ' -f3 | cut -d'.' -f3`
+if [ $V1 -gt 2 ]; then
+  PARAM="$PARAM -il0"
+elif [ $V1 -eq 2 ]; then
+  if [ $V2 -gt 2 ]; then
+    PARAM="$PARAM -il0";
+  elif [ $V2 -eq 2 ]; then
+    if [ $V3 -ge 10 ]; then
+      PARAM="$PARAM -il0"
+    fi
+  fi
+fi
+exec indent $PARAM "$@"