[PATCH 1/4] scripts/checkincludes.pl: Print usage with heredoc

[Cruz Julian Bishop]

This is already used in checkpatch.pl, and is easier to
read, so I am changing it in checkincludes as well.

Additionally, this makes the usage output theoretically
easier to edit. In practise, there's almost no difference

Signed-off-by: Cruz Julian Bishop <cruzjbishop@xxxxxxxxx>
---
 scripts/checkincludes.pl |   10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/scripts/checkincludes.pl b/scripts/checkincludes.pl
index 97b2c61..801ed5f 100755
--- a/scripts/checkincludes.pl
+++ b/scripts/checkincludes.pl
@@ -14,9 +14,13 @@
 use strict;
 
 sub usage {
-	print "Usage: checkincludes.pl [-r]\n";
-	print "By default we just warn of duplicates\n";
-	print "To remove duplicated includes in place use -r\n";
+	print <<EOM;
+Usage: checkincludes.pl [OPTIONS]... FILE...
+By default, we just warn of duplicates.
+
+Options:
+  -r                Remove duplicated includes in place
+EOM
 	exit 1;
 }
 
-- 
1.7.9.5

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