Fix tolerance

Author: zhujinxuan

scripts/hpc-ratchet

@@ -37,9 +37,9 @@ Each item represents the number of "things" we are OK with not being covered.
 COVERAGE_TOLERANCE = {
     ALTERNATIVES: 161,
     BOOLEANS: 8,
-    EXPRESSIONS: 1412,
+    EXPRESSIONS: 1411,
     LOCAL_DECLS: 13,
-    TOP_LEVEL_DECLS: 669,
+    TOP_LEVEL_DECLS: 668,
 }