Add missing includes and forward declarations

diff --git a/utf8.h b/utf8.h
index db73a2d8d374e7570471627693ecddc87d998f10..dd5ee1052a849e85954d4425e0714fb38dcf1c1f 100644 (file)
--- a/utf8.h
+++ b/utf8.h
@@ -1,6 +1,8 @@
 #ifndef GIT_UTF8_H
 #define GIT_UTF8_H
 
+struct strbuf;
+
 typedef unsigned int ucs_char_t;  /* assuming 32bit int */
 
 size_t display_mode_esc_sequence_len(const char *s);