No real changes, just fix a typo in comments and documentation.

Use "surprising" instead of (common) "surprizing" misspelling.

Closes #11627.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@63154 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

tests/strings/strings.cpp

@@ -567,7 +567,7 @@ static const struct ToLongData
     { wxT("--1"), 0, Number_Invalid },
 
     { wxT("-1"), -1, Number_Signed | Number_Long },
-    // this is surprizing but consistent with strtoul() behaviour
+    // this is surprising but consistent with strtoul() behaviour
     { wxT("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
 
     // this must overflow, even with 64 bit long