name-rev: fix off-by-one error in --stdin.

It dropped the last hexdigit in the object name.

[jc: Noticed and patch supplied by ALASCM, reworked to apply at
the right place by me]

Signed-off-by: Junio C Hamano <junkio@cox.net>

name-rev.c

@@ -217,10 +217,9 @@ int main(int argc, char **argv)
 					if (!strcmp(name, "undefined"))
 						continue;
 
-					fwrite(p_start, p - p_start, 1, stdout);
-					fputc('(', stdout);
-					fputs(name, stdout);
-					fputc(')', stdout);
+					fwrite(p_start, p - p_start + 1, 1,
+					       stdout);
+					printf(" (%s)", name);
 					p_start = p + 1;
 				}
 			}