move the periodic buffer shrinking interval from 3 mins to 1 min

svn:r4204

src/or/main.c

@@ -102,7 +102,7 @@ static int nt_service_is_stopped(void);
 #endif
 
 #define CHECK_DESCRIPTOR_INTERVAL 60 /* one minute */
-#define BUF_SHRINK_INTERVAL 180 /* three minutes */
+#define BUF_SHRINK_INTERVAL 60 /* one minute */
 #define TIMEOUT_UNTIL_UNREACHABILITY_COMPLAINT (20*60) /* 20 minutes */
 
 /********* END VARIABLES ************/