Replace remaining instances of strdup with xstrdup.

Signed-off-by: James Bowes <jbowes@dangerouslyinc.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

builtin-log.c

@@ -35,7 +35,7 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
 		if (!prefixcmp(arg, "--encoding=")) {
 			arg += 11;
 			if (strcmp(arg, "none"))
-				git_log_output_encoding = strdup(arg);
+				git_log_output_encoding = xstrdup(arg);
 			else
 				git_log_output_encoding = "";
 		}

commit.c

@@ -706,7 +706,7 @@ static char *logmsg_reencode(const struct commit *commit,
 	encoding = get_header(commit, "encoding");
 	use_encoding = encoding ? encoding : utf8;
 	if (!strcmp(use_encoding, output_encoding))
-		out = strdup(commit->buffer);
+		out = xstrdup(commit->buffer);
 	else
 		out = reencode_string(commit->buffer,
 				      output_encoding, use_encoding);

revision.c

@@ -1038,7 +1038,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
 			if (!prefixcmp(arg, "--encoding=")) {
 				arg += 11;
 				if (strcmp(arg, "none"))
-					git_log_output_encoding = strdup(arg);
+					git_log_output_encoding = xstrdup(arg);
 				else
 					git_log_output_encoding = "";
 				continue;