Make sure the empty tree exists when needed in merge-recursive.

diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c
index 24a4fc63b35ec4c6b5f85bda260811546b12ed46..b8d7dbc0b71929a95aaebd79d5912897d5eb70e7 100644 (file)
--- a/builtin-mailinfo.c
+++ b/builtin-mailinfo.c
@@ -16,8 +16,8 @@
 
 static FILE *cmitmsg, *patchfile, *fin, *fout;
 
-static int keep_subject = 0;
-static const char *metainfo_charset = NULL;
+static int keep_subject;
+static const char *metainfo_charset;
 static char line[1000];
 static char date[1000];
 static char name[1000];
@@ -31,7 +31,7 @@ static char charset[256];
 
 static char multipart_boundary[1000];
 static int multipart_boundary_len;
-static int patch_lines = 0;
+static int patch_lines;
 
 static char *sanity_check(char *name, char *email)
 {
@@ -451,17 +451,6 @@ static int read_one_header_line(char *line, int sz, FILE *in)
        return ofs;
 }
 
-static unsigned hexval(int c)
-{
-       if (c >= '0' && c <= '9')
-               return c - '0';
-       if (c >= 'a' && c <= 'f')
-               return c - 'a' + 10;
-       if (c >= 'A' && c <= 'F')
-               return c - 'A' + 10;
-       return ~0;
-}
-
 static int decode_q_segment(char *in, char *ot, char *ep, int rfc2047)
 {
        int c;