Hand-write month-adjusting in add adjusting algorithm

Because we do not have a `>=` comparison operator here, but a `>`.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/util.rs b/src/util.rs
index 86437be..7730b2b 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -24,7 +24,10 @@ pub fn adjust_times_add(mut y: i64, mut mo: i64, mut d: i64, mut h: i64, mut mi:
         mo += 1;
     }
 
-    fix! { mo, 12, y  }
+    while mo > 12 {
+        y += 1;
+        mo -= 12;
+    }
 
     (y, mo, d, h, mi, s)
 }