War on whitespace

This uses "git-apply --whitespace=strip" to fix whitespace errors that have
crept in to our source files over time.  There are a few files that need
to have trailing whitespaces (most notably, test vectors).  The results
still passes the test, and build result in Documentation/ area is unchanged.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

convert-objects.c

@@ -194,7 +194,7 @@ static unsigned long parse_oldstyle_date(const char *buf)
 		fmt++;
 	} while (*buf && *fmt);
 	printf("left: %s\n", buf);
-	return mktime(&tm);				
+	return mktime(&tm);
 }
 
 static int convert_date_line(char *dst, void **buf, unsigned long *sp)