pre-commit: fix indentation style

Tools/astyle/pre-commit

@@ -1,7 +1,7 @@
 #!/bin/sh
 #
 # An example hook script to verify what is about to be committed.
-# Called by "git commit" with no arguments.  The hook should
+# Called by "git commit" with no arguments. The hook should
 # exit with non-zero status after issuing an appropriate message if
 # it wants to stop the commit.
 #
@@ -50,16 +50,16 @@ fi
 git diff-index --check --cached $against --
 if [ $? -ne 0 ]; then
 	echo "Pre-commit style error: Whitespace issues"
-        exit 1
+	exit 1
 fi
 
 # Check for code style, only in changed files
 for i in `git diff --cached --name-only --diff-filter=ACM`
 do
-        ./Tools/astyle/files_to_check_code_style.sh $i | xargs -n 1 -P 8 -I % ./Tools/astyle/check_code_style.sh %
-        if [ $? -ne 0 ]
-        then
+	./Tools/astyle/files_to_check_code_style.sh $i | xargs -n 1 -P 8 -I % ./Tools/astyle/check_code_style.sh %
+	if [ $? -ne 0 ]
+	then
 		echo "Pre-commit style error: Bad formatting according to astyle rules"
-                exit 1
-        fi
+		exit 1
+	fi
 done