Fixed typo in the property, contributed by tenthumbs@cybernex.net, bug 36938.

intl/unicharutil/tables/html40Symbols.properties

@@ -59,7 +59,7 @@ entity.956=μ
 entity.957=ν
 entity.958=ξ
 entity.959=ο
-entity.96=&pi0;
+entity.960=π
 entity.961=ρ
 entity.962=ς
 entity.963=σ
@@ -83,13 +83,13 @@ entity.8465=ℑ
 entity.8476=ℜ
 entity.8482=™
 entity.8501=ℵ
-entity.859=&larr2;
+entity.8592=←
 entity.8593=↑
 entity.8594=→
 entity.8595=↓
 entity.8596=↔
 entity.8629=↵
-entity.865=&lArr6;
+entity.8656=⇐
 entity.8657=⇑
 entity.8658=⇒
 entity.8659=⇓
@@ -98,7 +98,7 @@ entity.8704=∀
 entity.8706=∂
 entity.8707=∃
 entity.8709=∅
-entity.871=&nabla1;
+entity.8711=∇
 entity.8712=∈
 entity.8713=∉
 entity.8715=∋