depmod: fix handling of .gz modules

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

modutils/depmod_process.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# Depmod output may be hard to diff.
+# This script sorts dependencies within "xx.ko: yy.ko zz.ko" lines,
+# and sorts all lines too.
+# Usage:
+#
+# [./busybox] depmod -n | ./depmod_process.sh | sort >OUTFILE
+#
+# and then you can diff OUTFILEs. Useful for comparing bbox depmod
+# with module-init-tools depmod and such.
+
+while read -r word rest; do
+    if ! test "${word/*:/}"; then
+	echo -n "$word "
+	echo "$rest" | xargs -n1 | sort | xargs
+    else
+	echo "$word $rest";
+    fi
+done