Add Tinyproxy indent script

Makefile.am

@@ -11,4 +11,5 @@ ACLOCAL_AMFLAGS = -I m4macros
 
 EXTRA_DIST = \
 	autogen.sh \
+	tinyproxy-indent.sh \
 	TODO

tinyproxy-indent.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# This is a script to mostly indent C code to the Tinyproxy coding
+# style. It needs GNU indent 2.2.10 or above. In a nutshell, Tinyproxy
+# uses the K&R style, tab size 8, spaces instead of tabs, wrap at column
+# 80, space before brackets.
+
+indent -npro -kr -i8 -ts8 -sob -l80 -ss -cs -cp1 -bs -nlps -nprs -pcs \
+    -saf -sai -saw -sc -cdw -ce -nut -il0 "$@"