t/t7001: avoid unnecessary ERE when using grep

diff --git a/t/t4103-apply-binary.sh b/t/t4103-apply-binary.sh
index 011126f336d4f15600ea8905b3a5b1d4c69c9a6b..74f06ec730c0bdf34b6197b6cd6e6b774055aab8 100755 (executable)
--- a/t/t4103-apply-binary.sh
+++ b/t/t4103-apply-binary.sh
@@ -24,10 +24,10 @@ git update-index --add --remove file1 file2 file4
 git-commit -m 'Initial Version' 2>/dev/null
 
 git-checkout -b binary
-tr 'x' '\0' <file1 >file3
+tr 'x' '\000' <file1 >file3
 cat file3 >file4
 git add file2
-tr '\0' 'v' <file3 >file1
+tr '\000' 'v' <file3 >file1
 rm -f file2
 git update-index --add --remove file1 file2 file3 file4
 git-commit -m 'Second Version'