Even more missing static

Signed-off-by: Junio C Hamano <gitster@pobox.com>

quote.c

@@ -20,7 +20,7 @@ static inline int need_bs_quote(char c)
 	return (c == '\'' || c == '!');
 }
 
-size_t sq_quote_buf(char *dst, size_t n, const char *src)
+static size_t sq_quote_buf(char *dst, size_t n, const char *src)
 {
 	char c;
 	char *bp = dst;
@@ -62,18 +62,6 @@ void sq_quote_print(FILE *stream, const char *src)
 	fputc('\'', stream);
 }
 
-char *sq_quote(const char *src)
-{
-	char *buf;
-	size_t cnt;
-
-	cnt = sq_quote_buf(NULL, 0, src) + 1;
-	buf = xmalloc(cnt);
-	sq_quote_buf(buf, cnt, src);
-
-	return buf;
-}
-
 char *sq_quote_argv(const char** argv, int count)
 {
 	char *buf, *to;