builtin/diff.c: remove duplicated call to diff_result_code()

diff --git a/diff.c b/diff.c
index 42a107c58ae6f81ffe514e573afdaec881c4532e..9b3eb9938f8cf9f81cac2b9e79da34e1e02e727c 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -628,7 +628,7 @@ struct diff_words_style {
        const char *newline;
 };
 
-struct diff_words_style diff_words_styles[] = {
+static struct diff_words_style diff_words_styles[] = {
        { DIFF_WORDS_PORCELAIN, {"+", "\n"}, {"-", "\n"}, {" ", "\n"}, "~\n" },
        { DIFF_WORDS_PLAIN, {"{+", "+}"}, {"[-", "-]"}, {"", ""}, "\n" },
        { DIFF_WORDS_COLOR, {"", ""}, {"", ""}, {"", ""}, "\n" }