strbuf.c: mark a private file-scope symbol as static

Also remove an unused function.
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

strbuf.c

@@ -445,8 +445,8 @@ static int is_rfc3986_unreserved(char ch)
 		ch == '-' || ch == '_' || ch == '.' || ch == '~';
 }
 
-void strbuf_add_urlencode(struct strbuf *sb, const char *s, size_t len,
-			  int reserved)
+static void strbuf_add_urlencode(struct strbuf *sb, const char *s, size_t len,
+				 int reserved)
 {
 	strbuf_grow(sb, len);
 	while (len--) {
@@ -465,15 +465,6 @@ void strbuf_addstr_urlencode(struct strbuf *sb, const char *s,
 	strbuf_add_urlencode(sb, s, strlen(s), reserved);
 }
 
-void strbuf_addf_ln(struct strbuf *sb, const char *fmt, ...)
-{
-	va_list ap;
-	va_start(ap, fmt);
-	strbuf_vaddf(sb, fmt, ap);
-	va_end(ap);
-	strbuf_addch(sb, '\n');
-}
-
 int printf_ln(const char *fmt, ...)
 {
 	int ret;

strbuf.h

@@ -99,8 +99,6 @@ __attribute__((format (printf,2,3)))
 extern void strbuf_addf(struct strbuf *sb, const char *fmt, ...);
 __attribute__((format (printf,2,0)))
 extern void strbuf_vaddf(struct strbuf *sb, const char *fmt, va_list ap);
-__attribute__((format (printf,2,3)))
-extern void strbuf_addf_ln(struct strbuf *sb, const char *fmt, ...);
 
 extern void strbuf_add_lines(struct strbuf *sb, const char *prefix, const char *buf, size_t size);
 
@@ -126,8 +124,6 @@ extern int launch_editor(const char *path, struct strbuf *buffer, const char *co
 extern int strbuf_branchname(struct strbuf *sb, const char *name);
 extern int strbuf_check_branch_ref(struct strbuf *sb, const char *name);
 
-extern void strbuf_add_urlencode(struct strbuf *, const char *, size_t,
-				 int reserved);
 extern void strbuf_addstr_urlencode(struct strbuf *, const char *,
 				    int reserved);